Features 1、HIGH EFFICIENCY ENERGY CONVERSION: The solar panel has 50W high efficiency energy conversion capability, which can fully utilize the solar energy to convert it into reliable electricity to ensure continuous power supply. 2、WATERPROOF DESIGN: The waterproof controller is designed to effectively protect the battery module from adverse weather and humidity. This makes the kit ideal for outdoor use. 3、CONVENIENT CHARGING: The OBD car charging head is designed to connect directly to the car's OBD port for quick and convenient charging. 4、MULTIFUNCTIONAL KIT: This kit contains solar panel, waterproof controller and OBD car charging head. This complete set can perfectly meet users' energy needs. 5、DURABLE AND RELIABLE: Made of premium monocrystalline silicon and ABS material, combined with advanced manufacturing process to ensure durability and long term reliability. Specifications Item Type: Solar Panel Controller OBD Charger Kit Material: Monocrystalline Silicon, ABS Weight: Approx. 611g / 21.6oz Solar Panel Size: Approx. 27x28cm / 10.6x11.0in Solar Panel Power: 50W (Without Storage Function) Clamp Applicable Voltage: DC 18V Controller: MPPT QC3.0 Output Package List 1 x Solar Panel 1 x Controller 1 x OBD Charger 1 x Clamp 1 x Instruction Manual