Svbony Dew Heater Strap 176mm

Suitable for optics smaller than 176mm in diameter

Designed for astronomy telescopes for potecting optical devices like telescopes and cameras from fogging or freezing

• 3 gear regulator with strong-medium-weak heating modes, you can adjust the temperature in different situations
• 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
• Alloy fiber heating wire provides super fast and continuous warming, silicone insulation process can prevent internal short circuit, it is very safe