Dual Channel: VOONOA wireless RV camera system boasts 2 backup cameras and the 1080P 7 inch HD monitor supports 2 channels to provide dual views. This allows you to monitor multiple angles at the same time, to provide comprehensive environmental vision Save Up to $300: Ditch the tangled wires and complex setup with our wireless magnetic backup camera system. Enjoy a 3-minute DIY installation, eliminating the need to hire a professional for our magnetic-based, rechargeable, wireless trailer camera