Wireless Biometric Smart Lock Fingerprint Password Electric Digital Lock TTlock Zinc Alloy Keyless Security Door Handle for Home

This lock can work with different mortises, like single latch, 3585, 4585, 5572, 6085 mortise, fit for different doors; This lock support connect to smart phone via bluetooth, the smart phone app can remotely unlock it and send password to unlock. This lock is powered by 4pcs AAA batteries, also with the USB cable, it can be powered for emergency This lock is very easy to install, and can relace the old knob lock directly, no need to modify the door hole. This lock is with 2 years warranty and durable quality..syi