Rechargeable 3000lm 3x Fsmart T6 Rj-3000 Lighthouse Head Light LED Camping Hiking Head Light Bicycle Lamp Outdoor Emergency Lights Red Light Rechargeable Headlight: LED Headlamp Output bright can come to max 3000 lumens Waterproof Function. Adjustable base is provided for each headlamp, with forward and backward tilt Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent A button switch: 1x XM-L T6 / r5 2x / 3x Cree / flashing Battery model needed: 2x18650 3.7V (not include) Note: This item only one headlight and includes no charger and battery