Come and see our amazing products. This mini flashlight is equipped with a built in 1200 mAh lithium battery, which can last about 3-4 hours on full charge; And the rechargeable flashlights have 3 modes, including high, low and strobe, which can be easily switched by one click.Your logo is welcome. Pls confirm further with us if any query about packing info, inventory status and time schedule.