Technical information.

- Power supply : 12VDC.
- Consumption : 3mA (standby) @ 12VDC, 30mA (working) @ 12VDC.
- Duration of delay time before alarm : 10-240 seconds. ( default 10 seconds )
- Included the magnetic switch NC types in this set.
- PCB dimensions : 4.4cm x 6.5cm x 4.0cm ( Thickness ) 
- Output is NO relay contact, user can use any siren to connect to the board. 

- The Siren is not included.