22154506 ED-SENS Multisensor acting as a PIR sensor and receiver. Up to 3 individually configurable remote-control groups can be incorporated depending on the system. Surface-mounted (in Euro/standard box, 1x), or on plaster walls (multi-sensor inserted into plaster ring supplied), or installation in suspended ceilings/flush-mounted (multi-sensor snapped into flush-mounting ring supplied). DALI two-wire control cable, wires interchangeable, can be fitted using standard installation parts, power supplied via DALI line, red status LED indicates operating status, green status LED indicates reception quality, stairwell function with 1-127min time lag, housing made of halogen-free plastic, white (RAL 9003), Poly IR 2 lens, IP 40 degree of protection; weight: 0.3 kg