Wireless DVR, HD 720p

7" 4CH HD Digital Wireless Camera System with Recorder(MS-715RSW)     MS-715RSW1. No interference digital signal 2. Frequency: 2400MHZ~2483.5MHZ 3. Auto scanning, auto pairing 4. Distance: 500M in open area 5. 4CH HD video, quad screen 6. Built to withstand the shock and vibration associated with industrial applications 7. Dust and Waterproof design,all connectors are waterproof 8. Meet the requirements for hot,cold weather also shock and vibration 9. 20G force for vibration an 100G for shock 10. Real time recording, One SD card input, maximum storage 128GB, 1/2/3/4 channel recorder optional  Wireless HD Monitor 1. Panel: 7" digital HD panel 2. Screen ratio: 16:9 3. Resolution: 1024*3R.G.B*600 4. Back Light, Luminance: LED, 350cd/m2 5. Contrast: 1000:1 6. Viewing Angle: UP-50º, DOWN-70º, LEFT-70º, RIGHT-70º 7. Transmitting distance: 1500M in open area 8. Power supply: DC 10-36V 9. Power consumption: