Durite left side blind spot detection system gives you full coverage which includes visual display and also warns cyclists and pedestrians using an external side turn speaking alarm.{bul}For 12/24V commercial vehicles {/bul}{bul}Two stage sensitivity 0-0.9m & 0-1.8m{/bul}{bul}Control maximum speed at which you want obstacles to be detected by GPS{/bul}{bul}Waterproof to IP68{/bul}{bul}ECE, EMC R10 approved{/bul}