Features: - Emitter: CREE XPG3 LED - Maximum 200 lumens output - Maximum beam intensity: 1000cd - Maximum beam distance:63meters - Working voltage: 1.8-3.2v - Power by 2x AAA batteries (Battery Not Included) - Driver: Most efficiency constant current circuit - Material: Aircraft-grade aluminum body - Surface treatment: Premium Type III hard-anodized anti-abrasive finish - Aerospace grade aluminium alloy construction - Waterproof: IPX-8 (2 meter under water) - Impact resistance: 2meters - Size: 133mm length x 14mm head diameter - Weight: 29g (without battery) - Brightness Levels & Runtime: Low 4lm, 47hrs - Mid 58lm 4.5hrs - High 200lm 40min - Strobe 200lm