12000 Lm 3 x XML LED 3 Modes Bicycle Lamp Bike Light Headlight Cycling Torch There is no built-in lithium battery, you need to understand the USB power supply for the battery life Features: Brightness: 12000 lumens. Bulbs: 3 x LED. Lifespan: 50,000 hours. Lighting Distance: 200m-300m. Model: Solar 4 Modes: Low or Middle or High or Strobe. Power Source: 5V battery pack(Not included) or Connect with power bank by USB Charging Time: 4.5 hours. Runtime: Up to 2-3 hours(high mode). Material: Aluminum Alloy. level:-7. Charger Input: 100V-240V,50 or 60Hz. Color: Black Product Weight: 131g Package Size: 100 x 85 x 60mm Package Including: 1 x LED Bicycle Light 2 x Spare O-ring Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.