Features: Eliminate fog and condensation with our specially crafted lens warmer for clear photography in cold weather. Ideal for outdoor enthusiasts and professional photographers. Our lens defogger is powered by USB, making it convenient to use with a power adapter. It provides 3 temperature levels for different weather conditions. Designed for lenses and telescopes, our lens defogger helps photographers and astronomers achieve clear images in various weather conditions. In addition to keeping camera lenses clear, this device can be used to warm baby bottles and provide warmth to wrists, elbows, and ankles. Suitable for indoor and outdoor use. With touch fastener designs, the lens defogger wraps securely around lenses or telescopes, ensuring even heating and easy adjustment. Specifications: Material: Leather S Length: approx. 42cm / 16.54in, applicable lens outer diameter less than 88mm L Length: approx. 54cm / 21.26in, applicable lens outer diameter 88-128mm Color: As shown in pictures Quantity: 1 Piece Package Includes: 1 Piece Lens Heater Warmer Note: Please allow 0-1cm error due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences between monitor displays, the actual color of the item may vary from the picture.