Dew Heater Strip DN25cm 5V for Telescopes and Camera DSLR Lens Linear Temperature Control Devices Keep Them From Fog Dew

Features 1 100 brand new and never used2 DN25 the length is 25cm for outside diameter 8cm lens UV size is less than 55mm3 Dew heater strap is an essential accessory that protects your optical tube from excess moisture forming condensation on the corrector lens4 Cloth covered with foam insulation on outer side for maximum efficiency and performance5 Electrical interface USB Power Bank is required for 2A 6 Voltage 5V7 Maximum power 10W8 Width 50 mm9 Weight 60g 2 11ozPackage Includes 1 x DN25cm Dew Heater StripDetails Picture