Optical fire alarm device VAD category W. Wall installation. Optical Coverage W-4.9. Volume 324m3. White flashing light. Programmable optical coverage. Power supply voltage 9...60V DC. Maximum consumption in signaling 14.5mA. Indoor use. Protection rating IP21. Operating temperature -10°C... +55°C. ABS casing. Red color. Dimensions (L x H x D) 118 x 106 x 42mm. Approved EN 54-23. Certification: 2852-CPR-0121.