7" 2.4G Digital Wireless Quad-view Monitor Wireless rearview Monitor1)Automatic pairing capability2)Support 4-channel simultaneous recording and video replay.3)Dual display mode, auto-scan mode, and single display mode available4)Storage capability of SD CARD: 128GModelM720DWLCD size7"ResolutionMilitary 800 x 3 (RGB) x 480Contrast500:01:00Brightness400 cd/m²Viewing AngleU: 50 / D: 70, R/L: 70Aspect Ratio16:09Channel4 channelsOperating Frequency2400 - 2483.5 MHzTransmitting Distance120 MRecieving Sensitivity-89 dBmDecompression FormMPEG4Emitting Frequency17 dBmModulation2.4G FSK/GFSKSD CardMax. 128GTime Delay120msSystem FormatPAL / NTSCPower ConsumptionMax. 6WLoudspeaker1.5W/8Temperature-20~+70ºC, RH 90%Storage Temperature-30~+80ºC, RH 90%1- Power cable1- Center mount bracket1- U-support bracket4- Angle adjustment screws1- Manual1- IR remote control