Introduction - If you have any usage issues, please Google them yourself
The system consists of single chip systems, matrix keypad, LED display and alarm system components. System to complete the unlock, police overtime, and Ultra Lock, Administrator decrypt, modify the basic user password lock feature. In addition to the basic lock function, but also has stressed electrical memory, sound and light tips and other functions, according to the actual situation can also add a remote control. The system cost, functional and practical