Digital Wireless Rear View System with Record

No interference digital signalFrequency: 2400MHZ~2483.5MHZAuto scanning ,auto pairingDistance: 500M in open area4CH video, quad screenReal time recording ,support 128G SD card,1 channel is 142 hours,4 channel is 36 hours.1/2/3/4 channel recorder optionalWith Video playbackBuilt to withstand the shock and vibration associated with industrial applications.Dust and Waterproof design,all connectors are waterproof.meet the requirements for hot,cold weather also shock and vibration.20G force for vibration an 100G for shock.Part NumberMS-715HDWPanel7'' digital panelScreen ratio16:9Resolution1024*3R.G.B*600Back Light, LuminanceLED, 350cd/m2Contrast1000:1Viewing AngleUP--50º , DOWN--70º , LEFT--70º , RIGHT--70ºTransmitting distance1500M in open areaPower supplyDC 10-36VPower consumption