This is security alarm circuit which can be used in Motorcycle /car , after you turn on the power to board. Board will monitor break signal, once break is used by burglar, relay will turn on and siren will sound then automatic stop within 10 second.

Remark : It requires 12VDC battery,  can not use with 6VDC battery

This item is only the board as in the photo, no siren included in the package.

Technical information:
   - 12VDC Supply from car battery or Motorcycles. ( check that it use 12VDC , not 6VDC )
   - Relay 12V DC,  10A
   - LED indication for am operation of relay.
   - Current consume 35mA
   - Alarm on 10 second ( can not change )
   - Variable pot to adjust the sensitivity to detect voltage of break
   - PCB size 2.37" x 2.00"

Download User Manual