Stay warm with our solar panel car heater. The construction provides maximum efficiency.Solar Panel Heater Set: This solar panel car heater comes with a dedicated battery compartment, strong connecting cable, and solar panel for maximum efficiency in keeping your vehicle warm during cold weatherSimple to Use: Enhance your outdoor experience with the practical solar panel car heater, providing warmth outdoors during camping, skiing, or road tripsTough Construction: Made of monocrystalline silicon and PET materials, this solar panel car heater withstands even the harshest weather conditions for consistent and dependable heatingSpecification:Product name: solar panel plus heater with battery compartmentMaterial: frosted PET, polycrystalline silicon, DC female connectorSolar panel size: about 43.5x20.0x0.5cm/17.13x7.87x0.2 inchesProduct weight: 700gHeater cable length: about 100cm/39.37 inchesProduct output: DC waterproof Note: Battery pack requires 3 x 18650 batteries (not included)Operating temperature: -10 degrees - 70 degreesPack List:Solar panel*1Battery box*1setHeater*1setConnection Cable*1