Rechargeable Headlamp 18650 and Waterproof

1.include headlamp+ 2 rechargeable batteries+wall charger+car charger+usb cable+user book. 2.please remove the plastic wrap off the batteries at first time use,otherwise it cant recharge 3.lifespan reach up to 100,000 hours.brightness up to 1800 lumens. 4.3-in-1| multi-function capability ;can use as headlamp ,waist lamps or desk lamps. 5. zoomable ,adjustable ,durable ,hands-free ,comfortable; 3 modes : low ; mid ; strobe.