Features:

• All-in-one design with USB power supply for easy storage
• Heating wire + diving material sticking rubber material for fast heating
• Designed with low-temperature wire, can withstand -40 degrees Celsius and maintain flexibility in a cold environment
• Convenient sticking fixation for quick removal and length adjustment
• Three-speed temperature adjustment with timing switch: high-grade temperature 55-65°C, mid-grade temperature 45-55°C, low-grade temperature 35-45°C
• Prevents lens fogging by providing fast heat transfer and good heat preservation