2-3x Brighter than a High Flux LED! Rechargeable, ultra-compact and powerful, the Strion LED offers three variable intensity modes, strobe mode and the latest in power LED technology. PiggyBack charger features a dual power input Ÿ?? USB port or Ÿ??traditionalŸ?� AC/DC charging High: 8,800 candela (peak beam intensity), 250 Medium: 4,400 candela (peak beam intensity), 80 lumens Low: 2,300 candela (peak beam intensity), 40 lumens Optimized electronics provides regulated intensity Run times: High: Up to 2 continuous hrs. Medium: Up to 4 continuous hrs. Low: Up to 7.5 continuous hrs. Strobe: Up to 5.5 continuous hrs. Lithium ion battery is rechargeable up to 500 times; fully recharges in 3 hrs. Clamp style charger holder with digital control circuit that prevents over-charge; LED indicates charge status IPX7 rated design for water resistance Multi-function, push-button tactical tail switch. One-handed operation of momentary, variable intensity: high, medium, low, or strobe mode.