Stainless Steel Fingerprint Lock Smart Biometric Door Lock Home Security Locks

Features:   -Unlock by Fingerprint mechanical key. -304 stainless steel material, anti-corrosion and durable. -The semiconductor fingerprint is quickly turned on, and the fingerprint recognition with high precision is high. -Wiring-free design, integrated fingerprint handle, easy to install. -A lithium-ion battery is built into the handle. Specifications:   Item type: Intelligent electronic door lock Color: Black Material: Stainless steel Power input: 6V Power supply: USB charging Standby time: 500 Days Number of open doors: 600Times Working humidity: 0-90°C Antistatic: 8-15KV Charging time: 30min Opening Direction: Both left and right inside Applications: Family, Apartment, School, Office. Size: 142 x 71 x 42mm/5.54 x 2.75 x 1.65” How to enter the fingerprint?   In the factory state, strange fingerprints can open the fingerprint. Press the reset button with the needle, and when the lights are alternat