RJ-5000 Rechargeable Headlamp : LED Headlamp Model of LED: Model of LED: XM-L L2 LED Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent Working Voltage: 3.6~4.2 V One button switch :High/Mid/Low/Strobe Model of Battery required: 2x 18650 3.7v Water Resistance: Impervious to rainfall, avoid submerging it in water. Color: Black USB Cable Charger: 1.The special designed USB cable for the LED lamp light. 2. Could charge for the headlamp through connecting the mobile power bank, or other electrical Device. 3. In the emergence situation, once headlamp battery get fully charged, could charge for the power bank or other devices. Wall Charger : LED indication for Power On / Charging / Full charge Input: World voltage Output: 4.5V, 400mA 18650 Rechargeable Battery : Battery Type: 18650 Rechargeable Battery Voltage: 3.7v Material: Li-ion Battery Package Contents: 100% Brand New 1 x BORUiT RJ-5000 XM-L L2 LED Rechargeable Headlamp 1 X AC Charger for this Headlamp 2 X BORUiT 18650 Rechargable 3.7v 4000mAh batteries 1 X USB Charger for headlamp 1x Car charger