DGP are used to expand the number of inputs and outputs in a system and to send data to the Challenger Panel for processing. Standard with a DGP is 8 inputs, 8 open collectors and a siren driver, ...

HSA 3000 alarm system includes: 1 x siren/strobe, 1 x remote controller, 1 x PIR, 1 x door/window contact, all batteries and fixings, & 2 x warning window stickers. Accessories available: door/window ...