The 4 1/4"L Redline FLEX is powered by a single AA battery or a 14500 rechargeable battery (included). Features 6x adjustable zoom, dual direction clip, and a powerful magnetic base for hands-free lighting. 4 Light Modes: High (250 lumens), Low (80 lumens), Strobe (250 lumens), Turbo (450 lumens). Micro USB to USB charging cable included. Laser Engraved. Boxed.