SVBONY SV172 Dew Heater for Telescope 400mm USB Universal Dew Heater Strip

Do you want to keep your telescope lens dew free. Worried about long time night photography in winter. If you want to heat a cup of coffee in cold whether. SV172 Dew Heater Strip are coming. Product Spots Convenient USB Port USB port design is convenient to connect to any power sources with USB port. Such as power bank, car charger, laptop, desktop computer, DC power supply, phone charger, USB wall plug,etc. Fit External Diameter Below 127mm It is compatible with external lens diameter below 127mm. 50mm narrow width does not interfere focusing and will not produce dark corners in the field. 85g / 2. 99oz is lightweight and handy. Multi Usage Designed for astronomy telescopes, and it can compatible with DSLR camera lens. Also be used for heating bottles, feeding bottles or be used as wrist strap or knee strap in cold winter. Temperature adjustment 3 gear regulator to adjust the temperature for different use requirements. 1. 8m long power cord so it can be used without trouble even while connecting to the power bank put in the bag or pocket. Specifications: Dew Heater Strip of Size: 400*50mm Dew Heater Strip of length: 480mm Interface Type: USB Type-A Input Voltage: DV 5V Input Current: 1. 9A2. 2A Power: 9. 5W-9. 75W Temperature Adjustable: Yes Power Cable of Length: 1. 8m Dew Heater Strip of material: Imitation OK clothSBRBlack-TAluminum FilmPU Power cord material of material: Nylon Net Weight: 85g / 2. 99oz Package Includes: 1 x 480mm Dew Heater Strip 1 x Carrying Case package 1 x Three Position Thermostat 1 x User Manual.