Multiple functions
Sound function:Different sound for different operation.
Door thickness: above 5mm
Different flash function:Three colors flashes(Yellow: alarm, Red: low power,,Green: open)
emergent function:in emergent you can open open the lock by external power or by mechanical emergency to open the door.
low power alarm:Yellow lamp flashes and it means you should change new batteries(At this time old batteries can open lock for 100times at most.) in time.
code: 4-10 digitals
code protection: When the guest input the wrong code for the 4th time again, the lock will be locked automatically for 10 minutes.
Technology parameter
1.Work environment:
A. Work temperature: -5ºC ~ 50ºC B. Work Humidity: 25%RH~ 85%RH
2. Product performance:
Batteries Use time: More than 100 thousand times
Electronic control parts:
A.Work power-supply: 4 pcs 7# alkaline batteries
B.Static electricity :When indicator lamp turn off ,the static electricity ≤5uA
C: When startup(Turn on lock): ≤150mA
D: When press keypad: ≤15 mA
Douwin Lock
Our main products consist of hotel card key lock (including 13.56Mhz Mifare card lock), hotel magnetic card lock, household electronic door lock(such as fingerprint lock, password lock,etc.), card cabinet lock, digital locker lock, hotel room lamp control system, hotel safe, hotel doorbell, energy saving switch, mechanical toilet lock,etc.
Especially, Our locks pass FCC, CE Verification by SGS and have been exported to the worldwide for many years.
Audited Supplier 
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