This digital code lock SELF-ASSEMBLY electronic kit can be used to switch an alarm (e.g. car alarm CAL08 or home alarm) on and off, or to open a door lock.
The on-board relay is activated when the correct 4-digit number combination is entered using the keypad. An LED on the operating panel indicates the position of the 'lock'. The code is easy to define.
Because the operation panel is completely enclosed, it may be used inside and outside the house.
Specifications