Pin Code Lock

. Cast alloy integrative structure, firm and durable;
2. High quality with competitive price;
3. Very easy to operate, suitable for home and office, apartment and other buildings;
4. Master passwords and sub passwords, which are easy to operate;
5. Change master passwords freely;
6. Master passwords can be used to add or cancel any sub password;
7. One-key opening function: Freely press any key to open the lock;
8. Input wrong passwords for three continuous times, it will stop for 10 seconds without any operation;
9. Three mechanical keys for emergency use;
10. Performance index:
*Power supply: 6V, 4 standard AA alkaline batteries
*Battery life: Open more than 15000 times under normal circumstance
*Open time: Within 5 seconds after inputting correct passwords
11. Low voltage warning: When CPU working voltage is less 4. 5V, when you open the lock after the screen light turns on, it will alert by "di-di" tone with the red light flashing, it can still open the lock for 100 times.
12. There are three choices for you to adopt: Single-latch, four-latch, and five-latch.