🔵 Cree XM-L2(U4) LED, 630 lumens output.
🔵 Uses a single AA battery or 14500 Li-ion battery.
🔵 Mechanically head rotary switch offers high reliability underwater.
🔵 Water pressure resistant construction, depth rated to 150 meters.
🔵 High efficiency constant current circuit, constant brightness.
🔵 Reverse polarity protection, to protect from improper battery installation.
🔵 Over-discharge protection function.
🔵 Aircraft-grade high strength aluminum material.
🔵 The latest diamond grade hard-anodized seawater-corrosion-resistance finish.
🔵 Alloy aluminum reflector with professional optical analysis, etc.