This is a drawer lock. It is made of ABS and PC material, anti-aging, not fading and durable to use. Provide installation for your TV cabinet, shoe cabinet, desk cabinet, letter box, etc. Features -Color: White -Material: ABS, PC -Size: 9.10X5.50X1.80cm/3.58X2.16X0.71in - Anti-UV material outer shell, anti-aging, not fading in long term usage. - Multi layers chroming spring bolt, and wear-resistant - If the battery is too low, it will alarm and automatically turn on. It can open 100 times after the alarm. - authorization unlock function, convenient to use. - Protect your important document, valuables or personal item from others. Specification - connection: 4.0 BLE, compatible with IOS, 4.3 or later - speed: 1~3s - distance: <=10 meters - Working temperature: -40 degree centigrade~+85 degree centigrade, working humidity 5%~95% (no condensation) - Drop test: a 6-way drop from a height of 2 meters does not affect the opening - Vibration test: X- vibrates for 30 minutes, Y- vibrates for 30 minutes, will not automatically turn on - Power supply: 2 x AAA batteries (not included) - Unlock working current: 210MA - Working current without motor: 10MA - Standby current: 20uA - Antistatic grade: +/-12kV air, +/-8kV contact -Battery life: one year - Unlock method: APP unlock -Motor: FF-M10 geared motor - Chip: B3432 -Working frequency band: 2.402GHz-2.480GHz -Receiving sensitivity: -93dBm&lt;0.1%BER -Transmitting power: maximum adjustable 4dBm, the default standard specification 0dBm . Security encryption: Package list: 1 x lock body 1 x lock buckle 1 set x stickers 1 x gasket 1 x manual 1 box x screws