Specifications:
510 threading connection;
Material: Zinc Alloy + Stainless Steel;
Variable Wattage: 1.0W~188.0W;
Output range Voltage: 0.5V~8.4V;
Maximum current: 30A;
Range battery voltage: 6.0V~8.4V;
Temperature Control range: 100~300'C / 200~600'F;
Resistance Range: 0.06 ohm~3.0 ohm;