INSANELY BRIGHT & VERSATILE COMMUTER LIGHTOur most powerful light has a gracious beam pattern & loads of mounting options. Whether commuting or touring long distances the Central 700 vision light soaks your path with glorious consistent dependable USB (Universal Serial Bus) recharged light. Spec;700 max lumens ANSI FL-1 Standard IP-65 Waterproof Modes & Runtimes: High: 700lms @ 1h 15m Medium: 400lms @ 2hrs Low: 200 @ 4hrs Strobe: 150lms @ 10hrs Pulse: 150lms @ 16hrs Power: Push ONPush button to cycle modes Push & hold 1sec OFF170 grams Micro-USB &8804;6hrs recharge Meets ANSI FL-1 Standard This standard was created by the American National Standards Institute (ANSI) to provide consistent performance measurements for handheld lights. Although bicycle lights are not required to follow this or any standard Blackburn believes in offering full transparency in how the output run time water resistance & other performance claims are measured. LED Fuel Gauge/ Charge Indicator LED Fuel Gauge/ Charge Indicator A small built in LED light indicates the battery level. Green = >75% Orange = 75-25% Red = Dual Beam Pattern Dual beam pattern allows crystal clear near & far visibility. Replaceable Battery Battery pack can be replaced in seconds. Universal Light Mount The silicone mount fits diameters from 22-35mm along with a clip for clothing bags or racks. Micro-USB Rechargeable Charges via any standard USB (Universal Serial Bus) port. No tools required Lithium-ion battery Waterproof to IP-65 standard 6 hour recharge time Lumens: High 700 Med 400 Low 200 Pulse 150 Strobe 150 Runtime: High 1.25hrs Med 2hrs Low 4hrs Pulse 16hrs Strobe 9hrs Distance: High 131m Med 98m Low 69m Pulse 60m Strobe 60m 172g / 0.38lb