Metallic Write in the Dark LED Stylus Pen. Every 4th click of the plunger activates LED light.Chrome accents for sleek, professional look. Comfortable black grip with 2 ring chrome design. Shiny, metallic-toned barrel accents every logo. Capacitive stylus tip that works with iPad, iPhone, Android and other touchscreen devices. On average, this item will light for 8 continuous hours at peak output and will remain lit, yet diminished, for 24 hours.Includes 3 replaceable LR626 batteries.