Product name: solar panel heater Size: 435*200*5mm Product weight 500g Heater cable length 100cm Colour: Black Working temperature: -10°C70°C/-1F120F Material: frosted PET, polysilicon, female connector Description PRODUCT PROTECTION: Equipped with a female output and a battery compartment with dual USB outputs, this solar panel heater ensures product protection and can charge a variety of 5V electronic devices. The kit includes a solar panel, a battery compartment, a heater and a connecting cable. COMPATIBILITY: Compatible with fans, headphones, radios, microphones, mobile phones and various other electronic devices that can be charged at the 5V output. FUNCTION & USE: This product uses solar power to charge mobile phones and other devices in the sunlight, easy and convenient to use. STABLE AND PORTABLE: The solar panel is made of monocrystalline silicon PET, which shows stability and durability even in harsh weather conditions, making it perfect for outdoor activities. PERFECT FOR TRAVEL: In addition to its charging capabilities, this solar panel heater can also provide warmth while camping outdoors or travelling in an RV. Its portable design makes it easy to hang on your backpack handle, saving time and serving as a valuable outdoor companion. Package Contents: 1 * Solar 1 Set* Battery Compartment 1 Set * Heater 1* Connection cable