Package List 2 x lens warmer Characteristics - Size: 42.00X3.00X0.50cm/ 16.51X1.18X0.20in - Material: neoprene - Cable length: 150cm/ 59.05in - Color: Black - Made of material for lasting use. - You can also use this to heat up drink or warm up your wrist or knee. - With 3 gears of temperature settings, adjust gear according to your needs. - Can be used to camera or telescope lens from fogging and freezing. - accessory for taking pictures in high humidity environment or early morning. Goods Information Are you looking for a professional, affordable USB lens dew heater strip? Are you in search of a sturdy, tool that can do multiple jobs at once? If yes, look no further! Our USB lens dew heater strip must meet your needs. one of for you.