BESTSUN CREE XHP90.2 LED Headlamp Rechargeable, 10000 Lumen Brightest Headlamp Flashlight Zoomable 3 Modes Headlight USB Input and Output Head Light with Power Display Function

Features: · High Lumen, brightest headlamp, latest CREE XHP90.2 LED Chip. · Easy to use, single button controls 3 light modes. · Micro USB input, most smart phone charging cable can fit it; 5V USB Output to work as a power bank for cellphone or other devices in emergency. · Easily adjustable elastic headband to fit ANY HEAD SIZE. · Rechargeable headlamp, works with 1/2/3 18650 rechargeable batteries. (3pcs batteries included) Specifications: Material: ABS + aluminum alloy Light Source: CREE XHP90.2 LED chip Lens: Convex Lens Light Color: White Switch Mode: High / Low / Strobe Brightness: 10000 Lumens Wattage: 25w Input: AC100~240V 1A Output: 5V Waterproof: IPX-5 Power Source: 18650 Lithium Li-ion Rechargeable Battery (3pcs included) Real Measured Lasting Time: 2-6 Hours Package Included: 1 * Super Bright XHP90.2 LED Rechargeable Headlamp 1 * USB Charging Cable 3 * 18650 Rechargeable Batteries Using tips: 1. Make sure the plastic films on the batteries were removed before using. 2. Charge all the batteries fully before using, otherwise, it can only last a pretty short time, and then shut off, under which condition, the batteries could be over-discharged as this is a high power headlamp, which needs more power to drive than normal headlamp. 3. Re-charge the batteries in time when it's of low power to prevent over-discharge, which can lead batteries dead. 4. Use adapter to charge the batteries that is with an output of 5V-1A, which can get them fully charged more quickly. 5. Take out all the batteries if you don't use the headlamp for a long time. 6. Since the light got circuit protection function, it won't work if battery's negative and positive side is placed incorrectly, so do pay attention to the pole of each battery when placing.