Wireless Car Reversing Backup Camera 4.3" Vehicle Rear View Monitor Parking
Wire or Wireless : WireLess. ◆The wireless kit make you don't have to wire AV cable in the car anymore. ◆Aspect Ratio: 16:9. ◆Contrast: 350:1. ◆Wireless signal frequency: 2.4GHz. ◆TV system NTSC. ◆Resolution:420 TV lines.