The intelligent dew heater (USB version)
- Objective lens size : 50-70mm
- Heater band length : 235mm
- Heater band width : 40mm
- Heating section : 25mm wide
- Rubber band : 60mm long
- Cable : 1.3m long
- Heat material : Carbon film
- Power consumption : 3.4W / 0.68A
- Power connector : USB 5V