Features 1、QUICK DEFOGGING: Lens defogging belt can quickly remove the camera head or telescope fog in the environment of low temperature and humidity 2、COLLAPSIBLE AND CONVENIENT: Possess fast heating and soft structure, collapsible, easy to store. Integrated design with external USB interface, more convenient to use 3、HEAT TRANSFER AND HEAT PRESERVATION: Fast heat transfer, good heat preservation effect, prevent lens fog through heating lens 4、HOOK AND LOOP FASTENER FIXATION: Adjustable fixation not only allows the defogging tape to fit your lens, but also facilitates you to quickly remove and adjust the length you need 5、LOW TEMPERATURE RESISTANCE: Using low temperature wire design, can withstand as low as ‑40 degrees Celsius temperature, will not be frozen hard in the high cold environment for a long time, still maintain the flexibility of the wire Specification Item Type: Lens Warmer Port: USB port (5V2A) Power: 6.5W Scope of Application: For defogging camera lens Package List 1 x Lens Warmer 1 x Charging cable