Features: 100% brand new and high quality Colorful Flash stick flash last about 12-24H, can also be stored for intermittent use by switch control, replaceable button batteries. Instructions for use: Pull out the flash stick protection film(beside betteries) , press the yellow switch to light up, keep pressing the switch can produce normal light, flash, slow flash, jump flash other flash mode, colorful, especially for colorful eye-catching performances, dance places such as lighting changes, and finally press to close. Power supply: 3 x AG13 button cell batteries(included). Color: Random delivery (If you buy more than one,the color you received may be the same color or different colors) Material:plastic Size app: 21 x 2 x 2cm / 8.3" x0.8 "x0.8" Quantity: 1PC Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (Without retail package) 1 x LED Glow