KIWIFOTOS Lens Heater Warmer Dew Strip with Temperature Regulator for Universal Camera Telescopes Eyepieces Heating, Remover

【Innovated Version without Timer Dew Heater Strip】Extended Lens Strip Design for the external diameters between 8cm-11cm/ 3.1'' - 4.3", lens dew remover devices prevent camera DSLR or telescope lens from fog, dew and fogging. 【USB Port Design】1.5m USB cable length, dew remover warmer is very handy to use and you can connect it your power bank or any other power source with a USB port. & Hook-and-loop fastener easy to adjust. 【Temperature Regulator Adjustable】This lens heater is equipped with low, medium and high modes, which you can adjust the temperature according to different needs for condensation prevention. 【Multi-use】Great for lens heating, warming up water bottle, and also can be use as a special wrist strap/ knee to protect them from cold weather. 【High quality and Certification】made of Premium neoprene material; CE certification. Proper strip length which avoid to overlap and overheat. Please choose the size according to the dia of your lens.