... color adjustable for each channel, including contrast, lightness, hue and saturationMPEG4 compression format, greatly reduce HDD usagePowerful video playing back ... search mode. Users can search by date/time, camera, record mode, and random combination of the three methodsSupport recorded files backup ... PAL/NTSC/SECAM Compatible Power Consumption 8W 2.4GHz wireless camera with receiver IR Night Vision