PIR QUAD BWARE 15m detector with anti-mask, Grade 3, on bus. Additional zone entry. Internal protection of the PCB. Simple and elegant design with a single convex lens. Using the detectors on the RISCO bus drastically reduces wiring, installation and labor costs, and provides additional benefits when remote services are available. The additional zone input can be used with relay detectors with any zone number and termination (NC, NA, RFL, DRFL, etc). Top and wall tampers. Anti-masking by Active IR. Consumption: 30mA max.Dimensions: 120 x 64 x 44 mm.