Durite Left Turn Speaker. Speaker announcement is "This vehicle is turning left". Used for warning external hazards of a potential threat when the vehicle is manoeuvring left. Suitable for use on large, light goods and public service vehicles. Automatically activates when left turn indicator is in use. Waterproof to IP66. At 97dB it is loud enough to be heard over moving traffic. E Marked & R10 approved. H 80.30 x W 100.00 x D 73mm.