250mm USB Lens Dew Heater Strip with Temperature Control

This is a 250mm USB-powered lens warmer designed to prevent condensation on camera lenses, telescopes, and eyepieces. It features a stepless temperature regulator, allowing precise control to suit different conditions. The warmer is suitable for lenses with a diameter of less than 3.15 inches (80mm). Its flexible strip can be wrapped around various lens sizes to maintain clear visibility during use. The device operates via USB, making it easy to connect to power sources such as computers or portable power banks. It helps keep lenses dry and free from fog, ensuring better image quality and easier observation in humid or cold environments.