Features Support 4 channels 1080 HD analog input, HD 1080P output displayGPS track record, feedback actual speed and position information4*1080P, 4*720P, 4*D1 a

Features Support 4 channels 1080 HD analog input, HD 1080P output displayGPS track record, feedback actual speed and position information4*1080P, 4*720P, 4*D1 a

Features Support 8-channel 1080 HD analog input, HD 1080P output displayGPS track record, feedback actual speed and position information8*1080P, 8*720P, 8*D1 an