Streamlining operations through system integration with the smart lock LINKEY Plus.
For hotels and vacation rentals! A system that can be integrated with the smart lock "LINKEY Plus" to improve operational efficiency.
What is LINKEY Plus? LINKEY Plus is a smart lock that streamlines your business. In this article, we will introduce the features made possible by LINKEY Plus's integration with external systems! What is system integration with LINKEY Plus? By integrating LINKEY Plus with external systems, you can utilize it even more conveniently! Examples of features enabled by system integration: - Reservations from booking sites are linked with LINKEY Plus, automatically issuing unique PIN codes for each guest. - The PIN code is activated after guest check-in, preventing unauthorized use. - The PIN code is automatically deactivated after check-out, locking the room. These features will further assist you in managing hotels and vacation rentals! List of integrated systems As of June 2025, we are integrated with the following systems: - minpakuIN - maneKEY - AIRHOST - Oyado Bugyo - HOTEL SMART - TOMARO+ - AND IoT - Check Inn Please feel free to inquire about new system integrations!
basic information
Product Name: LINKEY Plus Main Features: Unlocking with a PIN code, unlocking with an IC card, automatic locking, remote unlocking and locking, scheduling access permissions, etc. Unlocking Methods: 4 to 12 digit PIN code, IC card, smartphone compatible with mobile wallet Power Supply: Battery-operated (4 AA alkaline batteries) with approximately 1 year of operation Compatible Doors: Single swing doors, sliding doors Compatible Locks: Lever handle locks, deadbolts, etc. Operating Temperature: -20°C to 50°C Water and Dust Resistance: Equivalent to IP6X Warranty and Support: 5-year product warranty from the date of purchase. Dedicated trouble support call center for owners.
Price information
Base price: 100,000 yen (excluding tax) LINKEY Plus main unit + relay device for remote communication Remote management service usage fee: 900 yen / month per unit (excluding tax) Installation cost: If arranged by our company, a separate estimate will be provided (approximately 15,000 yen to 20,000 yen per unit, in the metropolitan area).
Price range
P3
Delivery Time
P3
Model number/Brand name
Smart Electronic Lock LINKEY (Linkey Plus)
Applications/Examples of results
Cumulative series installation record: over 24,000 units! 【Usage Scenarios】 ★ For unmanned operations in hotels and vacation rentals - Automatically issues access codes in accordance with guest usage times by linking with PMS and reservation systems - Access codes automatically expire at checkout time ★ For rental spaces and conference room rentals - Issues access codes that can only be used during the rental period, with no key handover - Up to 100 access codes can be issued ★ For rental management, weekly and monthly apartments - Eliminates the risk of lost keys and cuts costs related to lock changes or replacements - Retrofit existing properties with auto-lock systems ★ For office access management - Simplifies attendance management with entry logs - Employee IDs can be used as keys, and access codes are also available
Line up（2）
| Model number | overview |
|---|---|
| [Recommended for small facilities with 1 to 3 units] Business-oriented smart electronic lock LINKEY Plus | A smart electronic lock for business use that can be remotely managed with a web management tool. Suitable for small accommodations or rental spaces with a limited number of doors. |
| [Recommended for accommodations with 10 units or more] Business-oriented smart electronic lock LINKEY Pro | A new product launched in February 2025. A smart electronic lock for business use that can be remotely managed with a web management tool. LINKEY is suitable for medium to large facilities, allowing management of multiple smart electronic locks with a single relay unit. |
catalog（1）
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News about this product（2）
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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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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.
