Condition: 100% Brand New Item Type: Electronic Door Lock Color: Silver Material: Zinc Alloy Adapt to Door Thickness: Approx. 30-60mm/1.2-2.4in Bolt Center Distance: Approx. 60mm/2.4in Working Temperature: -25-60℃ Relative Humidity: 20-95% Working Voltage: 6V (4pcs AA Batteries) (not Included) Low Battery Reminder: When the Voltage is Lower Than 4.8V Battery Life: More Than 10,000 Unlocks Static Power Consumption: <20uA Dynamic Power Consumption: <200mA Card Reading Distance: <25mm Proximity Card Type: M1 Card Applicable Occasions: Apartment, Office Building, Residential Building, Office, Business, etc. 1、Zinc alloy material, unique appearance design. Keyboard password input is sensitive, quick response, supports 3 kinds of unlocking methods, password, sensing card and mechanical key. 2、Large capacity, 100 sets of passwords can be set, and 800pcs cards can be added. Backlit keyboard, the keyboard of this button will light up when pressed and can be seen clearly at night. 3、Low power consumption, 4pcs AA batteries (not included), can be used for at least one year, when the voltage is lower than 4.8V, it will prompt to replace the battery function. And equipped with emergency mechanical keyhole. 4、With the password protection function, users can enter multiple numbers before and after the real code to open the door without worrying that people around you will figure out the real code, which is more secure. 5、Voice navigation function, during voice navigation operation, it can be used when programming is locked, which is easier and more convenient. 1 x Electronic Door Lock 1 x Rear Lock Plate 2 x Mechanical Key 1 x Door Buckle 1 x Plastic Door Buckle Box 2 x Rubber Seal 2 x M1 Access Card 1 x Standard Single Tongue Latch (60mm/2.4in) 1 x Perforated Board 1 x Installation Kit 1 x User Manual