Fingerprint Door Lock 1X Biometric Smart Lock Door Lock Keyless Safe for Family. Made of zinc alloy material, durable and sturdy to use.Safe And Reliable: Fingerprint recognition lock, convenient fingerprint settings, safe and secure. High Efficient: The lock can recognize 30 fingerprint and the recognition speed is 0.25s. Power Supply: The fingerprint door lock powered by 4pcs x AAA dry batteries(not included), works about 1 year, when it runs out, red light will flash to remind you to change battery, there is a USB interface for you to charge with USB cable to unlock as emergency charging, 4. With Keys: Each fingerprint lock is equipped with 2 mechanical keys, which will enable users to unlock in traditional method. Private FunctionIn private mode, only admin fingerprints work none of other users fingerprints work. Two modes to choose, iversified settings to meet various needs. Normally open mode: After the fingerprint is unlocked, the lock will not be automatically closed, and the lock will be closed by entering the wrong fingerprint b. Normally closed mode: After the fingerprint is unlocked, the lock will be automatically closed after 5s to improve safety awareness. Standard door locks size: Fits for most standard residential door, applicable door thickness between 30mm to 65mm and the adjustable deadbolt mortise 50mm to 60mm. Check your door size before order. Features -Item type: Fingerprint door lock -Material: Zinc Alloy -Color: Black -Port: USB port -Battery: 4Pcs x AAA dry batteries(not included) -Working temperature: -20-55°C -Recognition time: 0.25s -Fingerprint capacity: 30 -Adjustable center distance: Up to 70mm -Size: About 145 x 28 x 65mm. About us We will make every effort to make your shopping the most pleasant and wonderful! The item "Fingerprint Door Lock 1X Biometric Smart Lock Door Lock Keyless Safe for Family" is in sale since Wednesday, October 6, 2021. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Door Locks & Lock Mechanisms". The seller is "topone321" and is located in Shenzhen. This item can be shipped worldwide.