OFFICIAL "NCT LIGHT STICK (127 Version) VER.2 with 1 Sticker"
PRODUCT COMPONENTS : Out box, Lightstick, Strap, 1 Sticker, User Guide (The Light stick is powered by 3 AAA Batteries, which you must purchase separately.)
POWER ON/OFF (LONG CLICK BUTTON) : Press and hold the button for about 3-4 seconds to turn the power on or off.
NORMAL MODE (SINGLE CLICK BUTTON) : With the power on, briefly press the button to change to the different LED modes.
MOTION SENSOR : The lightstick has a motion sensor built in. (※ Due to the nature of the product, it is normal to hear a clicking sound.)