Coast HP21 High Performance Focusing 1317 Lumen LED Flashlight with Tactical Strobe Light output: High - 1317 lumens; Low - 207 lumens Runtime: High - 2 hours 15 minutes; Low - 40 hours 30 minutes Beam distance: High - 260 meters (852-Feet); Low - 103 meters (337-Feet) Impact and water resistant casing. 15.5 inch length 4 X D batteries are included to allow for immediate use