The USB-powered dew heater is a convenient solution for preventing fog and condensation on your camera and telescope lenses. Its adjustable heat settings provide of warmth to keep your lenses clear. The strap's compact and lightweight design makes it easy to carry and use, ensuring you can capture perfect shots in any weather. Features -Note:Suitable for outer diameter of 88-128mm -USB cable length: 1.6m -Current input: 5V/2A -Color:Multi -Material:Cloth,plastic -Size:52.80X5.00X2.00cm/20.75X1.97X0.79in -Adjustable heat settings: offers three distinct temperature levels to cater to different defogging and warming needs -Clear lens performance: ensures that your lenses remain , delivering sharp and detailed images in any environment -Versatile use: suitable for both camera lenses and telescopes, making it a versatile accessory for photographers and -Anticondensation: prevents condensation from forming on your lenses, protecting your equipment and enhancing performance -Convenient and portable: lightweight and easy to carry, this heating strap is designed for operation and transportation Package list: 1 x camera lens heater strip