HIOTECH UV LED Bar Black Light with 3Wx9 LEDs Blacklight Effect Supplies and Remote Control for Parties Birthday Wedding DJ Stage Lighting in Dark (9 LEDs) Ultra Bright Black Light Professional UV party black light, 3Wx9 black light is easy to light up your parties 20x20ft area with 120 degrees of beam angle, wide voltage 110v-240v. Human Safe Wavelength 395-400 nm wavelength UV light is safe to human eye or skin. Much more brighter than traditional flourescent black light bulb. Easy to OperateConvenient to install and remove on the wall or floor; 360 adjustable rotation controlled by brackets; Seperate On/Off switch; Plug&Play. Great Heat DissipationBiult-in powerful fan, takes away most heat quickly. Widely ApplicationPerfect black light for parties, birthday, wedding, DJ, Halloween celebration, stage lighting in dark.