Use a special high frequency instrument) 1.LED digital control system 2.Two Needles:The long one is used on large moles or spots and the short one is used on tiny moles or spots. 3.Ergonomic design 4.The control system of energy and frequency 5.Easy and easy start up system 6.Adjustable energy and frequency, safe use 7.Pencil shape! Super handy! Specification: Item Type:Spot Removal Pen Material:ABS Color:White+Gray Power:5.5W Voltage:3.7V Weight:1kg Size:152mmx35mmx34mm (h) Skin Type: All Skin Types Function: Can be applied to spots,moles, granulation,tattoo removal