NiteRider Lumina OLED Boost LED Headlight Features: Incorporating all the features of the market leading Lumina series, now with built-in OLED screen and BOOST technology OLED screen displays power percentage and time remaining, light mode level, and has backlit buttons for easy use at night Boost technology allows user to move from current mode to max output with two taps of button and back to previous mode with one tap 4 light levels plus 4 flash modes Intellicharge design reduces charge time by 50% All models include easy on and off handlebar strap mount and USB charging cable Run Times: 6 Hours (Low, 275 Lumens) 3 Hours (Med, 550 Lumens) 1.5 Hours (High, 1000 Lumens) 1 Hour (Boost, 1200 Lumens) 10 Hours (Pulse Flash, 1000 Lumens) 6.5 Hours (Fast Flash, 1000 Lumens) 18 Hours (SOS, 1000 Lumens) 18 Hours (Beacon, 1000 Lumens) 18 Hours (Walk, 75 Lumens) Specifications: Brightness: 1200 Lumens Battery Type: Rechargeable (USB) Run Time: 1 - 18 Hours Beam Color: White Color: Black Weight: 172g