1.Adopting international standards' 5 tongue of electronic lock heart, which is in line with ANSI standard 2. Lock and its parts adopt cast and steel integrating, and silicon gel package, which is of dust-proof, waterproof.

 3. Unique indoor insurance tongue, lock without disturb

 4.Square Tongue (anti-bolt) has be strengthened. The most thick tongue side of tongue position is(12mm) ,it can be installed on solid wood doors, steel doors, fire doors and other large doors.

door lock body