• 1. Designed for astronomy telescopes and compatible with DSLR camera lens, protecting optical devices like telescope and camera from fogging or freezing;
• 2. It can be used for heating baby bottles or feeding bottles indoors or outdoors;
• 3. 3 gear regulator with strong-medium-weak heating modes, you can adjust the temperature in different situations;
• 4. 50mm narrow width design, when you use it, it will not block your field of view and will not have dark corners in the field;
• 5. Imitating OK cloth, SBR and Black-T three-layer keep warm material fits the lens better, when you use it, it can heat fast and even;
• 6. Alloy fiber heating wire provides super fast and continuous warming, silicone insulation process can prevent internal short circuit, it is very safe.

Don't let dew or frost cut your observing session short. The SVBONY SV172 240mm Dew Heater Strip is an essential accessory for astronomers and astrophotographers, designed to gently warm your telescope objective, guide scope, camera lens, or other optical equipment to prevent moisture from forming during cold or humid nights.

Powered by any standard 5V USB power source, the SV172 features a convenient 3-level temperature controller, allowing you to select the ideal heating level depending on observing conditions. Its wide 50mm heating band distributes heat evenly across the optical surface, while the premium multi-layer insulated construction minimizes heat loss and maximizes efficiency.

Whether you're enjoying visual observations or capturing long-exposure astrophotography images, the SV172 helps keep your optics dry, ensuring sharp, uninterrupted views throughout the night.

What's Included

• SVBONY SV172 240mm Dew Heater Strip
• Integrated USB Temperature Controller
• User Manual

Ideal For

• Refractor telescopes
• Finder scopes
• Guide scopes
• DSLR and Mirrorless camera lenses
• Smart telescopes
• Binocular objectives
• Astrophotography equipment

Packaging & Shipping Information

• Supplied in original SVBONY retail packaging
• Carefully packed to ensure safe delivery
• Suitable for shipping throughout India

Note: A 5V USB power source (power bank or USB adapter) is required for operation and is sold separately.