Optical-acoustic fire alarm device, VAD category W. Wall-mounted installation. Optical Coverage W-4.9. Volume 324m3. Sound pressure 100dB(A) @ 1m. 2 control inputs. Programmable functions: optical coverage, acoustic power, alarm tone. Power supply voltage 9V...60V DC. Maximum consumption in signaling 14.5mA. Protection rating IP21. Indoor use. Operating temperature -10°C... +55°C. ABS PC casing. Red color. Dimensions (L x H x D) 121 x 109 x 45mm. Approved EN 54-3 - EN 54-23. Certification: 2852-CPR-0117.