Protects Lens: Lens dew heater strip and lens warmer for DSLR camera Protects the lens of your digital camera or finder scope from freezing by chilling fog and dew, enabling the devices to function properly at night when the temperature drops or places with bad weather
Fast Warming: USB lens heater warmer and USB lens dew heater, super fast and continuous warming with fast start up of 5 seconds to heat, and intelligently reach 65℃the maximum given the actual needs, while the average temperature stays at 35℃
Quick Use and Removal: Fixed by hook and loop, lens warmer strip condensation prevention has been copied to the pasteboard; The lens defogging heater is fixed by hook and loop which not only allows the defogging belt to fit your lens, but also allows you to quickly disassemble and adjust the length you need
USB Power Supply: Based on the USB port design, condensation prevention lens warmer is very handy to use because you can connect camera lens heater warmer either to your power bank or any other power source with a USB port
Universal Lens Warmer: Telescope lens warmer keep the lens dry and take the long exposing pics at cold night successfully, this dew heater for DSLR camera fits to most size of telescope, finder scope, digital camera