Item Type: Smart Password Lock Material: Stainless Steel Panel Size: Approx. 7.7 x 5.6cm/3.0 x 2.2in Gross Weight: Approx. 267g/9.4oz Battery Parameters: 4 x AAA Batteries (Not Included) Door Opening Method: Password External Power Supply: Support Alarm Voltage: 4.8V Applicable Temperature: -30-80 Applicable Humidity: 95%RH Static Power Consumption: 15W Dynamic Power Consumption: 120W Password Types: Fixed password and temporary password Package List 1 x Panel 1 x Bolt 1 x Bag of Accessories (10pcs) 1 x English Manual 1It can be adopted on small cabinets such as sauna cabinets, storage cabinets, filing cabinets, desks, etc. 2In an emergency, the smart code lock supports the emergency unlocking function of an external power supply. 3One time password and long term password can be set to meet different usage requirements. 4The panel is made of stainless steel, which is sturdy and durable, and the external Plexiglass can play a good waterproof and anti fog effect. 5It has an automatic rebound function, after the door is opened with a card, it automatically springs to prevent illegal card insertion. 6This smart lock is designed with ultra low static power consumption, so the battery life is very long.