Waterproof Ttlock App Fingerprint Biometric Cabinet Smart Lock With Touch Keypad

This lock is very suitble for private use, widely used in office, factory, school, supermarket, etc. This lock can set the limited password in the TTlock app, then you can install the lock on the rental cabinet. With hidden card reader, the lock support unlock by card. Portable for kids and elders to use. The card is 13.56mhz mifare card. The lock is with good quality and 3 years warranty. Very security lock for home use. The lock is powered by 4pcs AA batteries, support low voltage alarm and external power supply for emergency..syi