Functions and features:
Opened by Guest's psaaword or Master password.
If the lock loss power, the lock can gain the power from outside by standby battery box
It is applicable to the chests and cabinets in places like enterprises, institutions, schools, public bathhouses, sauna bath centers as to make management more convenient and intellectual
Technical and functional index:
Power supply: 4.5V DC use of 3 pieces of number 5 (or number 7) AA alkaline batteries, with low voltage warning
Static consumption: 3uA maximum
Dynamic consumption: About 250mA
Battery lifespan: 10, 000 times under low voltage warning, it can open door 150 times at least
Working temperatures: -20° C to 70° C
Humility: 98% maximum
Payment:
If the total amount is less than 300USD, we prefer to accept Paypal or Western Union.
For big amount we accept bank transfer.
Shipment:
Normally we will use UPS, DHL, FEDEX or EMS express. It usually takes 3-7 working
Days depending on the countries deliver to.
We can also arrange other shipment way per your requirement and instruction, such as sea
Shipment, air shipment, etc.
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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