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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!

What is LINKEY Plus? LINKEY Plus is a smart lock that streamlines your business. In this article, we will introduce the auto-lock feature of LINKEY Plus! What is the auto-lock feature? With LINKEY Plus, you can use the auto-lock feature. After unlocking, the built-in magnetic sensor detects when the door is closed and automatically locks it. The auto-lock activation time (initially set to 5 seconds) can be freely set between 1 to 30 seconds, and the auto-lock feature can also be turned off. When is it useful? Say goodbye to the common worry of "Did I lock the door...?" when going out. Guests do not need to take a physical key when leaving, completely eliminating the risk of them losing the key! Additionally, if the door is not properly locked, you will be notified with an alarm sound. By using LINKEY Plus, you can further streamline your business!

What is LINKEY Plus? LINKEY Plus is a smart lock that streamlines your business operations. In this article, we will introduce how to use the PIN code feature of LINKEY Plus! About the PIN Code Feature With LINKEY Plus, you can register up to 100 PIN codes. Additionally, a master PIN code for administrators can be set separately. In the remote plan, you can instantly add or delete PIN codes remotely and register expiration dates. Convenient Uses - Add PIN codes remotely With LINKEY Plus, you can instantly change PIN codes from a remote location. This can solve your worries about managing properties from afar! - Set expiration dates With LINKEY Plus, you can set expiration dates for PIN codes. By setting an expiration date for the PIN codes provided to guests, you can prevent unauthorized use after the designated usage time! By using LINKEY Plus, you can further streamline your business!

What is LINKEY Plus? LINKEY Plus is a smart lock that streamlines your business operations. In this article, we will introduce how to use the NFC key unlocking feature of LINKEY Plus! What is an NFC Key? An NFC key is a feature that allows unlocking using an IC card (such as transportation cards or employee IDs) that is set up with LINKEY Plus! With LINKEY Plus, you can register up to 100 NFC keys, and you can assign names to each slot. Additionally, you can check detailed usage history, such as which card was used in which slot and when, through Finelink! By handing IC cards to guests and checking usage history, or by giving IC cards to cleaning staff or employees, you can help prevent unauthorized use!

What is LINKEY Plus? LINKEY Plus is a smart lock that streamlines your business operations. In this article, we will introduce how to handle situations when LINKEY Plus runs out of battery or malfunctions! How LINKEY Plus Works LINKEY Plus operates on four AA alkaline batteries, which last for about one year (assuming 10 openings and closings per day). Battery Level Notification When the battery level of LINKEY Plus is low, a "low battery" indicator will light up on the device, and a melody will sound to notify you. Additionally, you can check the low battery notification on the web management system. How to Respond When the Battery is Dead If LINKEY Plus cannot be operated due to a dead battery, you can use the following two methods to operate it. 1. Unlocking with a Physical Key Open the key cover on the outdoor unit and unlock the lock with the physical key. 2. Unlocking Using Emergency Batteries Purchase a 9V battery at a nearby convenience store, remove the key cover from the outdoor unit, and while making contact with the external power connection, you can unlock it using an IC card or PIN code.