Lens heating This practical lens heater protects cameras or telescopes from ice, dew and fog. This product is equipped with an 32inch temperature regulator, with low, medium and high modes, which you can adjust the temperature according to different needs. Specifications Length: 17inch Width: 2inch Material: polyester and cotton,etc. Voltage: 5V Current: 1.4A Power: 7w USB cable length: 5ft Heating for 10 minutes, the temperature can reach 104?-140?. How to use: First please plug the temperature regulator USB into the charger or power bank, then plug the lens heater USB into the USB socket of the temperature regulator, and after switching on, turn on the temperature regulator switch to adjust.

USB port design : It is very handy to use because you can connect it either to your power bank or any other power source with a USB port. Multi-use : Great for lens heating, warming up water bottle and feeding bottle, and also can be use as a special wrist strap/knee to protect them from cold weather. Temperature adjustable : This product is equipped with an 80cm temperature regulator, with low, medium and high modes, which you can adjust the temperature according to different needs. Material and Certification : High quality, made of premium neoprene material; CE and RoHs certification. Fit the most common devices. Lens heating : Protects the lens of your camera or telescope before freezing and fogging. Perfect for taking pictures overnight or morning in somewhere with high humidity.

Strap Type: Adjustable,Wrist Strap. Pattern: Solid. Style: Telescopic. Material: Neoprene. Brand: Dew Heater. Date First Available: November 17, 2020. Best Sellers Rank: #64 in Telescope Dew Caps. Customer Reviews: 5.0 out of 5 stars 3 ratings 5.0 out of 5 stars. : B08NPQW4NW. Item Weight: 4.7 ounces. Package Dimensions: 5.94 x 4.8 x 1.85 inches.