Specifications: xProduct name: solar panel plus heater with battery compartment xSize: 220 x 180 x 3mm Product weight 400g Heating cable length 100cm xColor: black Product output: DC head waterproof Operating temperature: -10C to 70C or -1F to 120F Material: frosted PET, polysilicon, DC jack head Features: 1. Product protection: DC jack output, battery compartment with dual USB output can charge 5V electronic products and devices 2. Product function and use: easy to use - generates electricity under the sun to charge mobile phones xProduct highlights and advantages: as follows stable and portable - made of high-quality monocrystalline silicon PET, the solar panel is stable and can withstand harsh weather conditions. 3. Compatible with various electronic devices, 5V can be charged, for charging fans, headphones, radios, microphones, mobile phones 4. Can be heated and warmed when camping outdoors in RV 5. The shelter can be hung on the backpack by the handle for traveling, saving your time and bringing much help to your outdoor time. Package includes: 1 x Solar 1 set x Battery case 1 set x Heater 1 x Connecting line Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.