https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
WaferLock Hotel Proximity Electronic Lock

WaferLock Hotel Proximity Electronic Lock

WaferLock
Region: Taiwan
Update: 03/13/2013
Key Specifications

* Transponder: Read / Write Mifare 13.56Mhz
* Mechanical key override when battery flat.
* Transponder range: 3~5cm
* Operation: 20,000 or standby for 2 years.
* Low power acoustic warning with LED light.
* Anti-panic Exit function
* Mortise Lock: US ANSI design with UL 90min fire tested.
* Latch & Deadbolt: Solid Brass with steel roller
* Door Thickness: 38mm~100mm
* Battery: AAA 1.5V alkaline x 4pc
* Operation Temperature: -20C~70C
* Application area: Hotel Guest Rooms, hotel doors.

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions