Ensure clear and fog-free vision for your camera lenses and telescopes even in low temperature and high humidity environments with this high-performance Lens Heating Belt. Designed to quickly remove fog and prevent condensation, this defogging belt delivers fast heat transfer and excellent heat retention, effectively maintaining lens clarity for better image quality. Key Features: · Rapid Defogging and Defrosting: Quickly eliminates fogging and frost buildup on camera lenses and telescopes, enhancing visibility in challenging weather conditions. · Efficient Heat Transfer and Preservation: Utilizes composite fiber heating wires combined with neoprene glued material to provide consistent and effective heating, ensuring smooth lens operation without fog. · Adjustable and Secure Fit: Equipped with a hook and loop fastener for easy installation and adjustment. The belt fits snugly around lenses of various sizes, offering a customizable and secure fit. · Low-Temperature Resistant Wire: Specially designed wire can withstand extreme cold temperatures down to -40°C, maintaining flexibility without hardening or cracking, making it ideal for high-cold outdoor use. · Convenient USB Powered All-in-One Design: Powered via an external USB connection, this heating belt is easy to operate and store. Its compact design minimizes the risk of loss and is perfect for on-the-go outdoor photography or observation. · Multiple Temperature Settings: Features three adjustable heating levels — Low (35-45°C), Mid (45-55°C), and High (55-65°C) — allowing you to select the optimal temperature for different weather conditions and lens sizes. Specifications: · Material: Composite fiber heating wire + neoprene glued material · Model: KR 0525 · Room Temperature Resistance: 4Ω · Surface Temperature: 45°C (typical) · Maximum Voltage: 5V · Power: 6.5W · Temperature Levels:  - High Level: 55-65°C  - Mid Level: 45-55°C  - Low Level: 35-45°C How to Use: Simply connect the USB cable to a power source, press the switch to activate the heating belt, and press repeatedly to cycle through and adjust the heating levels as needed. Package Includes: · 1 x Lens Heating Belt This Lens Heating Belt is an essential accessory for photographers and outdoor enthusiasts, providing reliable lens defogging and defrosting performance in extreme cold conditions. Its durable materials, flexible design, and easy USB power make it the perfect solution to maintain clear, fog-free optics during your outdoor activities.