Shake your groove thing and light up the night This groovy booty plug features 3 LED light patterns to experience a slow, medium, or rapid strobe of colors. The sleek, smooth metal forms a tapered tip that is easy to accommodate at all levels of experience. A narrow stem makes it perfect for long-term wear, whether you are going to a rave or wearing it out on a date - surprise your partner when the lights go out at home Comfortably weighted, this plug is made of nickel-free aluminum alloy, which is non-porous for a thorough sanitization after use with mild soap or toy cleaner. This material is compatible with all types of lubricant. Measurements: 3.4 inches in total length, 3 inches insertable length, 1.3 inch in diameter at widest point, .45 inches in diameter at narrowest point Material: Aluminum alloy, ABS plastic Color: Grey Note: Batteries are built into LED disk and not designed to be replaced. Battery life up to 5 hours. LED disk features auto-shutoff after 10 minutes to conserve battery life.