BATTERY-POWERED LED GLOW STICK: Adopts a 3 W RGB LED which can emit 15 different shades of brilliant light; powered by 3 AAA batteries to give up to 12 hours of glow; can be reused by replacing the batteries, making it more environmentally friendly than most glow sticks. TWO GLOWING MODES: Comes with two glowing modes including steady single color and color changing mode; be spoilt for choice with 15 individual colors, or turn to color changing mode to match the mood in bars or at live concerts. EASY TO OPERATE: Equipped with Next/Previous buttons on the bottom of the stick, so there is no need to cycle through all the colors to find the one you want; easy to operate and user-friendly. LIGHTWEIGHT & PORTABLE: Just 25 cm long, meaning it conforms to most venue regulations and will easily fit in your bag; a weight of only 77 g means you can wave it all night long; the safety strap at the bottom ensures you wont lose the wand; add even more flair to those atmospheric nights with GOCTOS. OTHER DETAILS :not Includes 3 AAA batteries; has a diameter of 3 cm and a length of 15 cm (lit section); visible range of over 500 m on a clear night; can be used at concerts and celebrations, or as a signal or warning light outdoors.