Item Type: Lens Heating Belt_x000D_Material: Composite fiber heating wire + neoprene glued material_x000D_Model: KR 0525_x000D_Room Temperature Resistance: 4_x000D_Surface Temperature: 45_x000D_Maximum Voltage: 5V_x000D_Power: 6.5W_x000D_Main Purpose: Defogging and defrosting_x000D_High-Level Temperature: 55-65_x000D_Mid-Level Temperature: 45-55_x000D_Low-Level Temperature: 35-45_x000D_How to Use: _x000D_Insert the USB cable into the power supply, press the switch to heat the heating belt, and press the switch continuously to adjust the level 1Quickly remove the fogging of camera lens or telescope in low temperature and high humidity environment 2Possess fast heat transfer, good heat preservation effect, through lens heating to prevent lens fogging 3The defogging belt is fixed by hook and loop fastener, stepping can make the defogging belt fit your lens, and convenient for you to quickly disassemble and adjust the length you need 4The low?temperature wire design is used, which can withstand temperatures as low as minus 40 degrees Celsius. Will not freeze hard after long?term use in a high?cold environment and still maintain the flexibility of the wire 5All?in?one design, adopt external USB power supply, convenient storage, avoid loss, and convenient for outdoor use1 x Lens Heating Belt