#2640C Pelican HeadsUp Flashlight Burn time: 50 hrs low/3hrs high Beam distance: 46M Light output: 29 lumens 50 hrs (low); 3 hrs (hi)Battery Burn Time 4 AA Alkaline Batteries (Included) Tested Lumen Value 9.0 (low); 21.0(hi) 3 LED's or 1 Xenon lamp