- Waterproof IPX7: Operates even after 30 minutes of submersion in a depth of 1 meter - 3x brighter than EL135 - OptiCube lens technology - Low battery indicator - Mode memory function - Two light modes (Constant / Flashing) - Replaceable bracket spacer - FlexTight bracket - Runtime: Constant: 30 hours (50 lumens) (Approx.) Flashing: 250 hours (50 lumens) - Battery type: 2 x AA alkaline battery