Item Name: Lock Management Small Padlock Tuya Fingerprint Padlock Smart Fingerprint Lock. The transmission structure adopts a geared motor with all stainless steel gears. The operation is stable, the noise is small, and the motor life is more than 100,000 times.Ultra low current design, built-in battery can be used for 2-3 years.Whether used indoors or outdoors, it avoids some problems that are common in conventional USB structures.Can store 10-12 fingerprints. Sensitive with semiconductor acquisition head.U-shaped lock beam and bolt are made of stainless steel 304, high strength, rust-proof and durable.The external power supply adopts a magnetic structure, which is durable and completely waterproof. Specifications:Material: MetalColor: BlackShell process: Aluminum alloy integrated mold molding, stable structure, strong resistance to damagePower supply mode: Built-in lithium battery battery power supply / External power supply Operating voltage: 3.7VStatic power consumption: 10ADynamic power consumption: 100mADoor working mode: solenoid valveUser Management: Store 10 fingerprints,False positive rate (FAR): 0.0001% Rejection rate (FRR): 1%Fingerprint setting template: 1 module is generated 10 timesFinger use angle: 360Battery life (standby): 3-5 yearsPackage Size:12*8*4.5cm/4.7*3.1*1.8inThe Package Including:1 * Fingerprint Padlock (Built-in battery)1 * Charging Cable *