EF1 Max Output 830 lumens Max Beam Distance 270 m Max Beam Intensity 18300 cd Max Runtime 150 h 0 m / 6.25 d LED CREE XM-L2 U3 Reflector SMO Battery 1 × 18650 ( Excluded ) Beam color White light Length 152.2 mm / 5.99 in Head Size 40 mm / 1.57 in Weight 250 g / 8.81 oz Feature Hybrid Activity Gear, Search