If you are looking for a professional and durable USB lens dew heater strip, then your research is here. That's because our products can meet your needs. Using neoprene materials, durable. It can be used to protect the camera or telescope lens from fogging and freezing, very professional. Features - Color: black. - Material: Neoprene. - Size: 43.00X3.50X1.00cm/ 16.90X1.38X0.39inch. - Resistance: 50. - Surface temperature: 65 degree centigrade. - Maximum voltage: 5V. - Power: 7.5W. - Total length: About 2.5m. - USB cable length: About 1m. - Made of neoprene material, durable, this lens dew heating strip has a . - It is convenient for you to take pictures in high humidity environment or early morning. It is suitable for most cameras and is very versatile. - With three temperature settings, you can easily adjust the appropriate gear according to your needs. - It can be used to protect the camera or telescope lens from fogging and freezing, very professional. - Multi-functional, you can also use it to heat drinks or heat your wrists or knees. Package list: 1 x Camera lens heater 1 x USB temperature controller