Sizeolar Wireless Backup Camera Sizeystem with 2 Cameras, IP69K Waterproof Wireless Reverse Camera 1080P Rear View Cameras for Truck, Van, RV Under 33FT

For the first time, we recommend using USB to fully charge the battery. Solar charging is only used as an auxiliary to extend the battery life. Our products provide 24-hour online service and a 1-year warranty period. No matter what problems you encounter, please contact customer service as soon as possible, which will make you a lot less unnecessary trouble.