The C-TEC-BF447C-CC-SR ActiV Conventional Hi-Output W-2.75-9 Wall VAD with Voice Sounder (shallow base) provides ‘W-2.75-9’ rated light distribution when wall mounted, ensuring a minimum of 0.4 lux over a 2.75 x 9m cuboid area. It can also be used as a W-4-4 VAD. The device offers superb sound intelligibility and allows you to choose from two evacuation voice messages and four evacuation alarm tones, with the selected evacuation message preceded by the chosen tone. It features three selectable VAD flash rates (0.5Hz, 1Hz, OFF) and has an alarm current of 17mA (0.5Hz) or 24mA (1Hz) at 30Vdc, and 18.5mA (0.5Hz) or 30mA (1Hz) at 18Vdc. The device is IP21C rated and manufactured in the UK by C-TEC.