Meet THE RFID cabinet locks system thats super cool, it can be used to secure a variety of small items, including small doors, cabinets, tool boxes,cupboards, lockers and much more . Keyless or RFID Key opening.Specification of the electronic lock:Size: Mortise 118 x 45 x 29 mm(4.65"x1.77"x1.14"), Keypad 108 x 56 x 16 mm(4.25"x2.2"x0.63")Power Supply: DC6V, 4 x AAA Batteries.(NOT include)Voltage: Below DV4.5V with Lack of Voltage Indications Lifetime of Battery(NOT include): Normally Exceed 20,000 Times and 200 MoreMaterial: Zinc Alloy.Latch Length: 15mmDoor Thickness: 1-100mm(the standard screws for keypad is suitable for 15 to 20mm, if you want use for 20mm, you should change the two screws for the keypad)Card Type: ID Card, RFID Tag or Wristband UNLOCK MODE:1. Password Mode 2. ID Card (RFID Wristband / Tag) Mode 3. Password + RFID Tag Mode NOTE: You can choose the unlock mode at your convenience, and you can change the mode as you want. USER MANUAL is attached with the item. You can find the detailed information (include but not limited): how to use the cabinet lock, how to set and change the unlock mode, how to set and change the password, and etc.FOR THE FURTHER INFORMATION, DO NOT HESITATE TO CONTACT US.