... input, 3 channels on/off output. Support E 32 channel H.264 standalone DVR/32 way HDD video recorderFeatures: 1, Both BNC ... . Set invisible screen area at will. 2, Build in 32× 4 matrix output, 32 channel circular monitor(optional), support mouse. 3, MPEG4 ... mm, 2UOperating environmentHumidity: 10--95% RH, Temperature: -10---55 degree 32 channel H.264 standalone DVR/32 way HDD video recorder