This Keypad Locker Lock is made of zinc alloy. In case of emergency, you can unlock it with the master key. Public use and private use can be switch freely. We devoted ourselves to locker locks many years, and we are expecting to become your long-term partner in China.
Features :
1. Keypad operation, all metal housing.
2. Three levels of management: Master, Sub-master, User code.
3. Switch public use and private use freely.
4. Master key for emergency unlocking .
5. 2 standard AAA alkaline batteries.
6. Vertical lock body, left and right door using.
7. Available in silver or black as standard.
http://www.emakelocks.com