Zelco Multi-Task Light Pen, Silver Compact light pen for illumination while writing, reading, and fixing things in dim or dark settings Sleek silver casing made of 100-percent recyclable materials; push-button ballpoint pen LED light attaches to pen with flexible gooseneck; with clip for attaching to paper or pocket Comes with 3 LR41 button cell batteries; ink refills available for separate purchase Measures 5 inches long with a 1/2-inch diameter; limited 1-year warranty