This reverse camera is solar powered,* charge it once and forget it for up to 4 months. No need for hardwire installation. The wireless rear camera means that there is no additional cost for installation, just DIY in 5 minutes. The wireless camera can connect to the monitor with unobstructed WiFi range of 100 metres. Suitable for trucks, minivans, trailers, utilities and Caravans. The 5.0 inch monitor screen has an extra-large 5.0 inch display that provides you with a clear image of the rear of your vehicle. You can easily activate your rear camera display using the included remote control or button activated in cabin monitor. *Requires at least 1 hour daylight exposure per day.