... ,truck,trailer,van,coach .Car Rear View camera helps in preventing accidents while driving in reverse by avoiding children, traffic, pedestrians, toys ... than 48dB*Video output:RCA Connector 1.0 VP-P75ohm*Waterproof of grade:IP67*Current Consumption:130-150mA*shutter speed:1 ... : 7~30 days(according to quantity)welcome OEM and ODM. waterproof car security rear view camera (EC-818)