Why You Choose KOOT Black Lights: Classic black Stage light Lightweight, portable unit, totally plug & play. Blacklights with 72-watt high-output for ultraviolet wash. 360° Adjustable brackets for easy positioning, easy setup on the wall and the floor. With inside cooling fan, make it long lifespan(Up to 100000 H). KOOT brings together a unique mix of quality, great value & professional. Now anyone can decorate your party easier.Note:The uv-a level of this stage light is the most visible type of Black lights and the longest wavelength. The human eye can only see a small part of the light. They release bluish-purple light and certain fluorescent colors could glow beneath them. Why You Choose KOOT Black Lights: Classic black Stage light Lightweight, portable unit, totally plug & play. Blacklights with 72-watt high-output for ultraviolet wash. 360° Adjustable brackets for easy positioning, easy setup on the wall and the floor. With inside cooling fan, make it long lifespan(Up to 100000 H). KOOT brings together a unique mix of quality, great value & professional. Now anyone can decorate your party easier.Note:The uv-a level of this stage light is the most visible type of Black lights and the longest wavelength. The human eye can only see a small part of the light. They release bluish-purple light and certain fluorescent colors could glow beneath them. How to get black light effect with this 395-400nm LED black light -Ensure a totally dark room or area, best work with white cloths and visible fluorescent materials. -The more sensitive the material is, the brighter it glows; the more UV blacklights is applied, the brighter it glows. -The closer the light source to the materials, the brighter they glow. -Choose the best position and adjust light direction according to work site. -For white cloths, if you want to hide your skin, please adjust the light direction and make sure only dim light hit your body. Master-slave Mode: -Connect the lights with DMX cables. -Set all the light with D001 mode. -You can control the light with DMX cable out to sync other lights. -PS: It will be better to use MENU button to sync the lights since the remote will interfere more than 1 lights in the same time. -Please keep the Master light from distance with Slave lights if you use the remote to sync them. Specification: -Lighting Color: Black light -Power:2W*36LEDS -Wavelength: 395~400nm -Power Requirement: AC100V~240V, 50Hz~60Hz -Interface: 3 pins XLR jack for DMX or Maser-Slave linking -Item Size: 7.5*4.1*7.1 Inch -Item Weight:1.85 Lb