Lens heater do telescopic camera 5 V 2 A USB Portable, fast heating lens heater 42,5 cm Description: [Lens Heating]: Professional lens heater, fast and even heating to prevent fogging, condensation and freezing of the lens, suitable do use when shooting in cold weather. [USB power supply]: 5V 2A USB lens demisting heater, and play plug, 1,6m cable, convenient do connect any power source via USB port. [3 Temperature Settings]: The lens heating strip has 3 temperature control options, is easy to operate and meets different needs. [Easy to Use]: The lens fog belt is made of synthetic fiber material, which is not easy do tear and damage in use. Adjustable strap, easy to adhere, quick wrap and remove. The do quick storage buckle prevents strings from tangling and makes it easy to store. [Wide Applications]: The heater is suitable do telescopic lenses, do lenses for digital cameras, DSLR lenses, etc. Specification: Product Size: (Optional) 54.5cm: total length 54.5cm/21.46in, heating length 40cm/15.75in, elastic band length 14.5cm/5.71in, width 5cm/1.97in, suitable for lenses with outer diameter 8.8cm-12.8cm/3.46in-5.04in 42,5 cm: total length 42,5 cm/16,73 inch, heated length 28 cm/11,02 inch, eraser length 14,5 cm/5,71 inch, width 5 cm/1,97 inch, suitable for lenses with outer diameter ≤8,8 cm/3,46 inch Material: synthetic fiber Cable Length: 1,6m Power Supply: USB power adapter Current Input: 5 V 2 A Adjustable temperature: high, medium, low The package includes: 1 lens heater