... )170degrees viewing angle 3)waterproof,shockproof 4)with nigh visi,high definition,dustproof image sensor:PC1030/OV7950effective pixel:PAL=704*576Pixels ... line:optionaloperating voltage:DC12VNote: waterproof, shockproof, high temperature resistance,small in size,light weight ,high definition,humidity resistance Installation:loading position is ...