●Colorful 6-color pen style and convenient to carry.●Flashing signal can be sent by lightly pushing the switch part.●Brightness (lm):10●Outer Diameter x Total Length (mm):14.5 x 109●Power Supply: AAA Dry Battery (1 piece) Sold Separately●When using alkaline batteries max lighting time: Approx. 15 hours●Main body: Aluminum●Pen Clip