NEEWER USB Lens Heater, 20"/500mm Lens Warmer for DSLR Camera and Telescope, 3 Temperature Regulator Settings, Dew Heater Strip Prevents Dew, Fog & Condensation for Telescope Camera Astrophotography

Description

Keep your lens clean from dew, fog and condensation when you spend hours in cold weather taking photos. Run the heater to a wall plug, portable charger or other 5V 2A USB power sources with 5ft extended cable provides versatility for use in various circumstances. The temperature controller offers 3 levels (high mode: 55-65°C; middle mode:45-55°C; low mode:35-45°C) for different ambient temperatures. Attached to your lens with Velcro fasteners. For optimal performance and even heating, it is recommended to use on lenses or telescopes up to 475 mm in circumference and a diameter of 150 mm. Also great for warming up baby bottles, coffee cups, bottles and even your wrists, elbows and ankles. Specifications: Effective heating length: 500 mm, total strap length: 600 mm, temperature adjustable: yes, input voltage: DC 5 V, input current: 1.8 A-1.95 A, connector: USB type A, cable coating: nylon, cable length: 1.5 m, power: 9W-9.25 W, net weight: 75 g, package contents: 1 x lens heater with temperature regulator. 1 x storage bag. 1 x User manual [English Not in English)