Light source: 1 pcs LED ; Luminous flux: 150 lm ; Battery power supply: Alkaline batteries : 2 pcs LR6 (AA) ; Main features: Backup time : 12 h Certified intrinsically safe flashlight - division I, class I, II, III, Shatterproof lens, Impact resistant up to 1 m, Immersion resistant to a depth of 1 m, "Index of Protection" : IP67 ;