Name: Interference antifreeze deviceQuantity: 1PCSGross weight: 100GInstructions for use: 1. Fix the instrument in a safe and stable position in the car2. Turn on the switch to activate the device3. The electromagnetic waves released by this instrument can melt snowProduct size: 5*2.6*1.5CMPacking size: 7*6*2CM Product description: This product is non-magnetic, solar, and has a storage function. It is a lithium battery with a switch and no fragrance. The service life is 1-2 years, and the storage capacity is 55 mAh. The voltage and current power: 3V55 mAh, about 1WCharging instructions: The light will automatically turn off after full charge. This is a recycling of electricity and solar energy. It takes about half an hour to charge. It can be used for about 10-15 days. After turning on the switch, it flashes once every 5 seconds.