Neewer Usb Lens Heater, 20''/500Mm Lens Warmer With Fpc Fast Even Heating Tech For Dslr Camera Lens Telescope Astrophotography,

Note: The Heating Area Length Is 20''/500Mm, And The Total Length Is 26''/650Mm With The Touch Fastener, Suitable For Lenses/Telescopes Up To 18.7''/475Mm In Circumference Or 5.9''/150Mm In Diameter. This Lightweight Yet Durable Lens Heater Is Designed With Fpc (Flexible Printed Circuits) For Safe And Reliable Use. It Employs Polyimide Films As The Insulator For Reliable Dielectric Performance, And Thermofoils As The Heating Element For Excellent Thermal Conductivity And High Heat Transfer Efficiency. Keep Your Lens Free From Dew, Fog, And Condensation When Photographing In Cold Weather Or At Night. A Versatile Heating Tool, It Can Also Warm Up Your Baby Bottles, Coffee Cups, And Glass Bottles. Power The Heater On Usb Power Adapters, Portable Chargers, Laptops, And Other 5V/2A Usb Power Sources Via The 4.9Ft/1.5M Usb Cable. An Integrated Regulator Offers 3 Temperature Levels (High: 149F/65C; Mid: 126F/52C; Low: 100F/48C) For Different Weather Conditions. Specifications Model: Hw-30 Power: 10W Input: Usb 5V 2A Temperature Levels: 3 Connector: Usb A Usb Cable Length: 6/1.8M Heater Area Length: 20''/500Mm Total Length: 26''/650Mm Net Weight: 4Oz/115G Package Contents 1 X Usb Lens Heater With Regulator 1 X Storage Pouch 1 X User Manual