Features 1、Stainless steel electronic locks can be used with wooden doors, steel doors, stainless steel doors, etc. 2、When you close the door, it automatically locks the door and you can open it internally and externally. 3、Suitable for residential buildings, public gates, institutions, schools, hotel buildings, factory warehouses, etc. 4、Low static power consumption, long service life and strong safety make it more attractive. 5、Brushed stainless steel, anti-corrosion on the surface of the lock body. 6、High sensitivity when unlocking, no noise and no vibration when locking the door. 7、The wiring is simple, two-wire system, and does not distinguish between positive and negative. 8、Easy to install, can be opened from left and right. Includes 3 keys for manual unlocking. 9、Simple and reasonable structure, low current, low cost, low fault. 10、Suitable for electrical control, pushbutton or manual operation. Specification Condition: 100% Brand New Item Type: Door Lock Color: Shown as Picture Material: Stainless Steel Working Voltage: DC8V-18V Power-on Time: 0.25S Unlocking Power: 20W Power Circuit Resistance: <1.5Ω Life Expectancy: 500,000 Times Unlock Time: <= 1S Optional Lock Type: A, B Door Thickness: Approx. 4-11cm/1.57-4.33in Working Temperature: -40-80°C Working Humidity: 10%-90% RH Package List 1 x Lock Body 1 x Lock Ear 1 x Lock Head 3 x Key 1 x Mounting Kit 1 x Instruction Manual