This machine is capable of effectively removing all kinds of spots such as freckles, senile plaque, and flat nevus. The outcomes are instantly noticeable and no special skill is required to operate the machine to achieve astonishing results. Electrocautery is a way to remove a wart/spot/freckle using heat from electricity. The electricity is used to heat the needle, which is put on the spot. The electricity is not sent into your body. Electrocautery usually leaves behind a wound that may take 1 to 3 weeks to heal. The time it takes the wound to heal depends on the size of the spot/wart/freckle. Bigger warts or freckles take longer to heal. But the wart may need to be treated more than once. 3 kinds of intensity for different treatment. Lower level for spot and freckle. Strong level for mole and skin tags.