VR8800G is a new type of 4-CH Network Video Server, with advanced shockproof ... is metal desigh,with lock connector,shakeproof;2. 4-CH D1 @60FPS high definition ,support GPS3.3.5 ... safety upgrade;12.power cameras directly ParametersModelVR8800( (4-CH mobile DVR)Working voltage8—36V(must be 14—36V ... 4,, AV cable*1,power and control cable *1, C-box *1 , remote *1 , , key *2 , ,manual *1 , 4-ch vehicle DVR ...