KOOPOR Mini adopts a dual-circuit drive design inside, which can effectively control output while monitoring temperature of the atomizer. With the new monitor technology, HFDMR-Ni200 (High-Frequency Dynamic Monitoring Resistance of Ni200) , it can achieve the high accuracy of regulating and monitoring heating wire temperatures. The precision can reach 10 degrees Fahrenheit (about 5 degrees Celsius). Constructed from stainless steel with a zinc-alloy coating, it looks modern and feels comfortable. Magnet-held battery cover design makes sure that, with a gentle touch, you will simply slide it off and replace the battery in seconds! This compact mod takes one 18650 battery, and provides 60 watts of maximum output for enough power! This is KOOPOR mini, helps to satisfy all your desire for temperature control, strong power and high quality. God said, "Let there be light", and there was light. You said you want real temperature control, and there is KOOPOR Mini. Specifications- Model: KP60- A Temperature control Box mod, Output: 1 w-60 w, Atomizer: 0.06 ohrs -2 ohrs, Material: Zinc Alloy, Stainless steel, Available Color: Golden, Product weight : 120 g.