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**What is the LINKEY Series?** The LINKEY series is a smart lock that started with the original LINKEY (discontinued), followed by LINKEY Plus and LINKEY Pro, which are currently on sale and well-received. The series boasts a total shipment of over 24,000 units. **LINKEY** (discontinued) LINKEY is the first smart lock from UME, launched in December 2014. Its basic functions are not significantly different from the current LINKEY series, and the always-connected smart lock was a groundbreaking product at the time. *Currently only available for maintenance support. **LINKEY Plus** Released in October 2020, LINKEY Plus is the successor to LINKEY. The maximum number of registered passcodes increased from 1 to 100, and the variety of compatible IC cards has expanded. It remains a very popular product, widely used primarily by short-term rental operators! **LINKEY Pro** Launched in February 2025, LINKEY Pro is the third smart lock in the LINKEY series. It incorporates new communication technology, allowing for the management of an entire floor with just one relay device while maintaining ease of use!

Product Name: LINKEY Plus / LINKEY Pro 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 wallets Power Supply: Battery-operated (4 AA alkaline batteries) for approximately 1 year 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.

LINKEY Plus: Main unit price: 100,000 yen (excluding tax) LINKEY Plus main unit + GW Remote management service usage fee: 900 yen/month per unit (excluding tax) LINKEY Pro: Main unit price: Equipment main unit 60,000 yen (excluding tax) + Communication relay unit 120,000 yen (excluding tax) *One relay unit to be installed per floor Remote management service usage fee: Monthly plan 900 yen/month per unit (excluding tax) Annual plan 750 yen/month per unit (excluding tax) *One-time billing for 12 months (9,000 yen) *2 months off

P3

P3

Smart Electronic Lock LINKEY (Plus/Pro)

Cumulative series installation record: over 24,000 units! 【Usage Scenarios】 ★ For unmanned operations in hotels and vacation rentals - Automatically issues access codes based on guest usage times in conjunction with PMS and reservation systems - Access codes automatically expire at checkout time ★ For rental spaces and meeting rooms - Issues access codes that can be used only 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 for lock replacements or failures - Retrofit existing properties with auto-lock features ★ For office access management - Simplifies attendance management with entry logs - Employee IDs can be used as keys, and access codes are also available