Separate Transmitter and Receiver Heads Range 5 to 120 metres, configurable per set of Detectors Integral Laser Alignment in Receiver 2-wire Interface between Controller and Receiver Single and Twin Detector options Separate Fire and Fault Relays per Detector Low Level Controller with LCD display Programmable Sensitivity and Fire Threshold Automatic Gain Control (AGC) for drift compensation First Fix concept for Transmitter, Receiver and Controller Multiple cable gland knockouts for ease of wiring Optional Transmitter powering from Controller Supply voltage: 12-36VDC Current: Controller 14mA, per transmitter head 8mA Fire and Fault relays per detector head - rated 2A 30VDC Detector head dimensions per transmitter and receiver unit (mm): 74w x 74h x 161d Controller dimensions (mm): 203w x 124h x 73d