udohow keyless smart door lock with card for hotel/project use DH8014Y

Applicable card: Mifare card, Temic card and ID card

Power supply: DC6V, 4PCS Standard AA Alkaline Battery

Battery Life: about 1 year, depending on the usage condition.

Low voltage warning: Voltage less than 4.8v, there will be 3 sounds and the red LED light.  The lock still can be unlocked more than 50 times , before the battery are replaced.

Reliability of card operation: No accident for 1000 times of continuous card operation

Emergency unlocking: The door can be unlocked by Master card OR Mechanical key even though the deadbolt works under emergency situation.

Installation request: To be installed on the door, with the door thickness between 35mm and 55 mm. If the door surface is decorated , the distance between the decoration edge to the door edge must be over 95mm.