Product Categories
![Easier unmanned operation.
The cloud-based smart lock "LINKEY Plus" is ideal for small to medium-sized facilities.
"LINKEY Plus" is a cloud-based smart lock that is perfect for small to medium-sized facilities such as vacation rentals, small hotels, and rental spaces. It integrates with reservation sites and PMS, automatically issuing and expiring passcodes for each guest. This enables unmanned check-in and check-out operations while reducing the risks of unauthorized use and key-related issues.
While the "LINKEY Pro" in the same series is optimized for medium to large facilities, LINKEY Plus is recommended for facilities with up to three units. It can flexibly accommodate from one room to multiple rooms, and allows for real-time remote unlocking and usage history checks via the cloud.
This compact yet high-functioning smart lock solution smoothly integrates with various external systems, meeting the needs for labor reduction and unmanned operations.
[Integration examples] minpakuIN / AIRHOST / maneKEY / HOTEL SMART, etc.
*For facilities with four or more units, "LINKEY Pro" is more efficient.](https://image.www.ipros.com/public/premium/image_category/36d/1501744/IPROS13667149708031581940.png?w=140&h=140)
![Automate key management with smart locks, significantly reducing labor and management costs. Leave the efficiency of facility operations to LINKEY.
Key management and check-in responses often pose challenges in the operation of accommodations, rental spaces, rental properties, and offices. The smart lock series "LINKEY" greatly streamlines these tasks. By unlocking with a passcode, there is no need for the physical exchange of keys or the risk of loss, eliminating the hassle and cost of key replacement.
By integrating with reservation systems and PMS, unique passcodes are automatically issued for each guest, and after checkout, the locks are automatically secured and the codes expire. This significantly reduces the burden on the front desk and staff.
Additionally, access control using employee IDs or IC cards is possible, enhancing security operations in backyards and offices. Regardless of the size of the facility, we achieve high customer satisfaction while keeping labor and management costs low.
[Integration examples] minpakuIN / maneKEY / AIRHOST / HOTEL SMART, etc.](https://image.www.ipros.com/public/premium/image_category/36d/1501744/IPROS10372583575896716502.png?w=140&h=140)
![Reduce operational burdens with unmanned check-in and check-out. With the smart lock LINKEY, you can simultaneously enhance the operational efficiency of hotels and inns while improving guest satisfaction.
In accommodation facilities such as hotels and inns, a significant amount of staff resources is dedicated to check-in and key handover tasks. By implementing the smart lock "LINKEY" series, you can integrate with reservation systems and PMS to automatically issue unique PIN codes for each guest. The codes are activated at check-in time and automatically lock and expire at check-out time, allowing for unmanned key management.
This eliminates issues such as lost keys and the need for replacements, significantly reducing the burden of front desk operations and nighttime support. Guests can enter smoothly without waiting, leading to increased customer satisfaction.
Additionally, backyards and staff-only areas can be accessed with IC cards or employee IDs, supporting overall operational efficiency of the facility.
[Integration examples] minpakuIN / maneKEY / AIRHOST / HOTEL SMART and others.](https://image.www.ipros.com/public/premium/image_category/36d/1501744/IPROS6206952183345751640.png?w=140&h=140)
![No. 1 in market share for smart locks for vacation rentals and simple accommodations for three consecutive years! Over 24,000 units installed in total! With the smart lock LINKEY, you can reduce the hassle and cost of key management while providing a safe and secure lodging experience.
In vacation rentals and simple accommodations, the burden of hosts having to hand over keys in person and accommodating guests arriving late at night is a significant challenge. The smart lock "LINKEY" series integrates with booking sites and systems like minpakuIN, automatically issuing unique PIN codes for each guest. The code is activated after check-in and automatically locks and expires at checkout time, ensuring peace of mind even when the host is not on-site.
There is no risk of lost or duplicated keys, and the costs of replacement or handover are eliminated. While reducing the operational burden, guests can enter smoothly, leading to increased satisfaction during their stay.
Additionally, LINKEY allows for management of unlocking history in the cloud, enabling remote monitoring of the situation. It supports maximizing revenue while maintaining safety even in unmanned operations.
[Integration examples] minpakuIN / maneKEY / AIRHOST / HOTEL SMART and others.](https://image.www.ipros.com/public/premium/image_category/36d/1501744/IPROS15424804425104319041.png?w=140&h=140)
![Introducing the features and specifications of the LINKEY series smart locks in detail. From issuing PIN codes to system integration and IC card compatibility, we will clearly explain the comprehensive features that support operations.
The "LINKEY" series smart locks are equipped with a variety of functions necessary for managing vacation rentals, hotels, rental properties, and rental spaces. In addition to unlocking with a PIN code, they come standard with a system that automatically issues and invalidates guest-specific codes in conjunction with reservation systems and PMS. This allows for unmanned check-in and check-out operations, eliminating the risk of lost keys and the costs associated with key replacement.
Additionally, they support unlocking with IC cards and employee IDs, and all history can be centrally managed in the cloud, making it a significant feature that allows for remote monitoring of the situation.
In this category, we provide a clear explanation of the main features and detailed specifications of the LINKEY series, as well as web management tools. We have compiled information that is also useful for product comparisons and operational planning.
[Integration Examples] minpakuIN / maneKEY / AIRHOST / HOTEL SMART and others.](https://image.www.ipros.com/public/premium/image_category/36d/1501744/IPROS12239196845516366784.png?w=140&h=140)
Featured products
Products/Services（33items）
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Smart Management LINKEY Plus: Case Study Collection Available from Key Progress
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LINKEY is a smart lock for businesses that reduces ongoing costs.
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【Smart Lock LINKEY Function Explanation 4】What to do if the battery runs out or it malfunctions?
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【Smart Lock LINKEY Function Explanation 3】NFC Unlocking Function
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![[Smart Lock LINKEY Function Explanation 2] Passcode Function](https://image.www.ipros.com/public/product/image/690/2001509334/IPROS1021486851929829716.png?w=280&h=280)
[Smart Lock LINKEY Function Explanation 2] Passcode Function
news list
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Accelerating the reduction of personnel in accommodation facilities and non-face-to-face check-in. The smart lock "LINKEY Plus" has started system integration with "Check Inn."
UME Co., Ltd. (Headquarters: Minato-ku, Tokyo / President: Masakazu Uchino, hereinafter referred to as UME) has started system integration of its smart electronic lock "LINKEY Plus" with the all-in-one system "Check Inn" provided by Check Inn Co., Ltd. (Headquarters: Shibuya-ku, Tokyo / President: Kentaro Tanaka, hereinafter referred to as Check Inn) for accommodation facilities. For more details, please check the article from the related link.
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![[New Product] Smart lock "LINKEY Pro," ideal for centralized management of multiple doors, to be released on July 1 - A commercial model specialized for hotels, unmanned facilities, and short-term rentals.](https://image.www.ipros.com/public/news/image/1/6ba/175623/IPROS12402855429570764225.png?w=280&h=280)
[New Product] Smart lock "LINKEY Pro," ideal for centralized management of multiple doors, to be released on July 1 - A commercial model specialized for hotels, unmanned facilities, and short-term rentals.
UMI Corporation will launch a new business smart lock, "LINKEY Pro," on July 1, 2025. By enabling the centralized management of multiple doors and API integration for hotels, rental spaces, and monthly/weekly apartments, it simultaneously improves operational efficiency and profit margins on-site. This product belongs to the same series as "LINKEY" (discontinued) and "LINKEY Plus," and has achieved greater ease of use and excellent connectivity based on previous user experiences. ■ Features of LINKEY Pro - Superior communication technology: Adopts proprietary communication technology to achieve stable communication unaffected by external environments. - High durability: Pursues heat resistance and moisture resistance, designed to be less prone to breakage even in harsh usage environments. It comes with a 5-year warranty. - API integration with reservation and entry/exit systems: By integrating with automated reservation systems and entry/exit management systems, it reduces the burden of reception duties and eases staff training requirements. - Increased profit margins with multiple installations: Since multiple smart locks can be connected to the cloud through a single gateway (communication device), the more units installed, the more cost-effective it becomes. It is possible to automate an entire floor of a building.
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The smart electronic lock "LINKEY Plus" has started collaboration with the unmanned check-in system "AdvaNceD IoT Smart Check-in for Cloud Smart Lock."
UMe Co., Ltd. (Minato-ku, Tokyo / CEO: Masakazu Uchino, hereinafter referred to as UME) has started system integration of its smart electronic lock "LINKEY Plus" with the unmanned check-in system "AdvaNceD IoT Smart Check-in for Cloud Smart Lock" provided by Device Agency Co., Ltd. (Nishi-ku, Osaka / Representative: Minoru Tanaka, hereinafter referred to as Device Agency). ■ Overview of the Integration The check-in function of "AdvaNceD IoT Smart Check-in for Cloud Smart Lock" is linked with LINKEY Plus's web management tool "Finelife." Guests can enter their accommodation information via their smartphones upon completing their reservation, and the hotel front desk can verify that information on a check-in tablet. Then, Finelife automatically issues key information exclusively for the guest and notifies it on the tablet. This allows guests to check in and out completely unmanned. For more details, please refer to the article linked above.
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UMI Corporation's LINKEY Plus has achieved the No. 1 market share in the smart lock market for vacation rentals and simple accommodations for three consecutive years.
UMI Corporation (Minato-ku, Tokyo / Representative Director: Masakazu Uchino, hereinafter referred to as "the Company") is pleased to announce that it has achieved the No. 1 sales share in the smart lock market for private lodging and simple accommodations for three consecutive years from fiscal year 2022 to fiscal year 2024, as reported in the market research report "Current Status and Outlook of Labor-Saving and Unmanned DX Solutions Market 2024 Edition" published by Deloitte Tohmatsu Mic Economic Research Institute. For more details, please refer to the article linked above. ■ Inquiries regarding this matter UMI Corporation Email: info@ume-group.co.jp Phone: 03-5419-3600 (Main) ■ Reference Document Title: "Current Status and Outlook of Labor-Saving and Unmanned DX Solutions Market 2024 Edition" Publisher: Deloitte Tohmatsu Mic Economic Research Institute Co., Ltd. Publication Date: January 27, 2025 Research and Analysis Period: November 2024 - December 2024 URL: https://mic-r.co.jp/mr/03310/
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The smart electronic lock "LINKEY Plus" and the travel and accommodation service SaaS system "TOMARO+" have collaborated to provide a seamless check-in experience.
UMI Corporation (Minato-ku, Tokyo / President: Masakazu Uchino, hereinafter referred to as UME) has started system integration of its smart electronic lock "LINKEY Plus" with the SaaS system "TOMARO+" for travel and accommodation services provided by Palace Link Corporation (Minato-ku, Tokyo / President: Yuhei Yoshimoto, hereinafter referred to as Palace Link). This integration allows travelers to seamlessly perform contactless check-in and key handover using only their smartphones, achieving both labor-saving at accommodation facilities and improved convenience for guests. Overview of the integration: The online check-in feature of TOMARO+ is linked with the web management tool "Finelife" of LINKEY Plus. Based on the information issued at the time of accommodation booking, when guests complete check-in on TOMARO+, Finelife automatically issues key information exclusive to the guest, which is then notified on their smartphone. This enables guests to enter their rooms smoothly without going through the front desk. Details of the system integration between TOMARO+ and LINKEY Plus can be found in the catalog file.
Aboutユーエムイー
A future of "safety, comfort, and convenience" with IoT, shaping living environments.
Our company is engaged in various businesses, including the smart home business, contact center business, and system-related business. To contribute to a future where people can live safely, comfortably, and conveniently, we will promote the development of living environments for the IoT era. For more details about our business, please refer to the "Business Overview" section below. If you have any inquiries, please feel free to contact us.