Specification Item Type:Picosecond Pen Material:ABS Color: Black Input:AC100-220V,50/60Hz Power:＜8W Output:DC5V 2A Wavelength:440-460nm Weight:140g Size:21*4.5*3.8cm/8.27*1.77*1.5in Product Include 1*Picosecond Pen 1*Pen Bag 1*Protective Glasses 1*Adapter 1*USB 1*User Manual 1*Box Feature 1.Harmless to normal skin. 2.9 gears of strength and 4 gears can be choose. 3.Will automatically shut down if no operation in 5 minutes. 4.Press both the switch and the positioning button to work. 5.Easy to operation.Touch screen. 6.Ergonomic design is comfortable and non-slip 7.Short pulse width, hardly produce light and heat effect. 8.Powerful and rapid energy brea up dark pigment directly. 9.Without any damage to skin tissue. 10.Fewer treatment times, better treatment effects. 11.Wide customer application range, more durable and safe. 12.Can effectively resoe melanin into fine particles, so as to promote skin metabolism and reduce melanin deposits. 13.Functions:tattoo,mole,dark spot/ freckle/ pigment, Eyebrow, acne and so on. 14.How to use: ①　Wear the glasses. ②　Connect the power. ③　Press the switch for 2s to start. ④　Choose the strength and speed. ⑤　Press the positioning button to positioning. ⑥　Press both the switch and the positioning button to work. Note 1.Wear the glasses when you use. 2.When you use the device for the first time, it is sested that you practice on some colorful paper or fruit. 3.When you use the device for the first time,you must start from the lowest level, and then gradually increase the level based on your own situations. 4.Contraindication: ①　Children and elders ②　Persons with photosensitive skin and persons using photosensitive drug ③　Users of implanted medical electronic devices and life support systems. 5.Keep the room well-ventilated. 6.Please operate the device in the place which is far away from children.