The length of is 475nm--1200nm, and the energy density is 5J/cm. It works on melanin hair and will not affect the skin. It achieves gentle hair removal and makes hair removal feel more refreshing in spring and summer. 10-minute fast hair removal sliding flash upgrade technology, large light emitting area, long press the button for an average of 0.5s to time, and the light energy remains unchanged Four-sided ice protection for sensitive skin No matter how the light is, the hair follicles will heat up quickly when it touches; the 360 ice sensation surrounds, instantly relieves the burning sensation, shrinks pores, and refines the skin. Longer-lasting hair removal L house light directly acts on black hair , L's light waves are high and low energy, which can quickly flash on the hair heel to achieve continuous and effective hair removal With five gears, you can reasonably adjust the suitable gear according to your own needs.Intermittent flash & automatic flash according to each part of the hair removal needs to choose the appropriate mode Optical radiation energy :2-4.8J/cm Gear adjustment: 5 gear adjustment. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Steps for usage (1) Remove excess hair by shaving, epilation or waxing before the first treatment. (2) Plug in the power first and turn it on; select the gear; for the first use, it is recommended to start slowly from a low gear to a suitable gear. (3) Please put the Laser-head on the skin, after the energy indicator flashes, press the launch button to complete the operation; move to part and continue the operation. (4) After power on; short press the launch button to perform lighting operation, long press the launch button to switch between automatic/manual lighting mode. (5) After treatment, moisturise the skin with some lotion. How often should I use a depilator? Weeks 1-4: 2-3 times a week. Over 75% of hair begins to fall out naturally. 5-6 weeks: Twice a week. New hair falls out and is suppressed. Weeks 7-8: Once a week. Hair becomes less and less. More than 8 weeks: every two weeks. Use the device according to the state of hair growth. Voltage: AC220V Color: white Material: ABS Lamp Holder: Quartz Display mode LED display light Product size: 160 x 74 x 43mm Function keys: power switch/gear adjustment coverage area: 3.3CM x 1.1CM Service life: 990,000 times 160m Package Contents: 1 x Depilator 1 x Adapter 1 x Eye protection 1 x hair scraper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.