Optical fire alarm device VAD category W. Wall-mounted. Optical W-3-8.8. Volume 232m³. Red flashing light. Programmable optical coverage. Power supply voltage 9...60V DC. Maximum consumption in signaling 11mA. Indoor use. Protection rating IP21. Operating temperature -10°C...+55°C. ABS casing. Red colour. Dimensions (L x H x D) 118 x 106 x 42mm. Approved EN 54-23. Certification: 2852 CPR - 0209.