SRT6i - Max Output 2,100 Lumens - Max Beam Distance 510 Meters - Max Beam Intensity 65,200 cd - Max Runtime 70 h 0 m / 2.91 d - Battery 1 × 21700i, 2 × CR123, 2 × RCR123 - Special Modes Strobe - Beam color White Light - Length 163 mm / 6.42 in - Head Size 40 mm / 1.57 in - Weight 167 g / 5.89 oz - Feature STROBE READY, Rechargeable, Tail Stand, Smart Selector Ring - Activity Gear, Law Enforcement, Search, Outdoor/Camping