Reolink Solar Panel 2 maintains the camera's battery charge without mains power. The connector on the panel is modern USB-C, which guarantees even more efficient charging. When installing the solar panel, it is important to point the panel towards the south or southwest and make sure that it is not in the shade. The connector of the 4-meter cable connected to the camera is waterproof. Technical data: Protection rating: IP65 Maximum voltage: 6.0V Maximum electric current: 960mA Maximum charging power: 5.8W Operating efficiency: 19.5% Dimensions: height 21cm, width 17.5cm and thickness 0.6cm Cameras that can only be used with Reolink Solar Panel 2: TrackMix WiFi battery powered, TrackMix LTE, Duo 2 LTE and Duo 2 WiFi battery operated