1 BULB EQUALS 2 BULBS: This light bulb with 15 true ultraviolet LEDs provides high levels of for all of your UV lighting needs. With a of 10 , our bulbs are and efficient, one bulb equals two conventional bulbs. FLUORESCENT REACTIVE: UV LED Blacklight creates a special lighting effects make fluorescent body and ink, balloons, sticks and wall stickers glow in the dark. Great for bands, bar, clubs, stage, DJ events and light show. SAFE LIGHTING: Lighting in wavelength 385-400 nm, safe for eyes and skins. ENERGY SAVING: These LED lightbulbs require less energy. - replacement for fluorescent blacklight tubes. Colour:white + transparent Material:Plastic coated aluminum Size:60 x 123mm Package Contents: 3 x Light bulb Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.