MagicShine MJ-808E LED Bike Light with Improved Battery Pack and Charger, 1000-Lumen, Black

High (100%) - Med (70%) - Low (30%) - Off (hold 2 seconds) - Strobe (hold 4 seconds) Push and hold the switch for 2 seconds will turn off the light from any mode 5 Stage power meter: Green (75% - 100%), Blue (50% - 75%), Yellow (25%-50%), Red (10% - 25%), Flash red (less than 10%) Light Source: Cree XM-L Luminous flux: Max 1000 Lumen (LED Emitter Rating.) LED lifespan: 50,000+ hours Shell material: 6061-T6 Aluminum alloy Surface treatment: Type III hard-anodized anti-abrasive finish Switch Type: Click switch Battery: 4 x 18650 Li-ion battery (8.4V 4.4 AH) Run time: 3 hours (100% brightness) Battery life: 500 times cycle Charging time: 3 - 3.5 hours Waterproof grade: IP64 Size: 43 x 52 MM.