Material: Zinc alloy, ABS Material
Battery: 4pcs AA Alkaline battery
Backset: 60-70mm
Door Thickness up to 55mm
5 access points: Bluetooth 4.0 (TT lock), FIngerprint, Passcode, IC card and manual keys.
How to use Bluetooth Feature:
1. Download TTlock App
2. Pair with lock
3. Control and manage your lock thru the app
Bluetooth Function:
1. Send a One-time pin, Duration pin, or permanent pin perfect for dormitory use or unit rentals
2. Track unlock records
3. Issue E-key to a friend/relative
Back-up Lock feature:
1. Manual Key
2. USB power bank if the battery runs empty
3. IC card access