Product features:
--1.Built in 3000 mAH Rechargeable Lithium Battery ,CE and RoHS safety certified,save money to buy disposable batteries and operating time up to 9 hrs ,more safety and environmentally friendly
--2.Clearly Battery Indicators: 5 LEDs battery display on the battery housing,5-led/4-led/3-led/2-led/1led 100%/80%/60%/40%/20%, allow you clearly know the battery status
--3.Low Battery Reminder:when the battery power less than 30%, the red warning light will start flashing to remind charging the battery.
--4.Retractable Zoom Function: freely zoom in and out to adjust the spot size  for different width of roads and range of light
--5.3 Lighting Modes adjustable:High brightness mode / Low brightness mode / flash mode switchable to your need
--6.Adjustable Headband, Perfect for any size of the head ,no matter Adults or Kids
--7.IPX4 Waterproof :LED casing and battery housing fully sealed against water entry,great for outdoor activities((but avoid dripping in water)
--8. 90° Rotation headlamp:90 degree adjustable up and down and will stay steady after positioning, allow you to focus light as needed
--9.Night Warning Light:Red warning light at the back,safer when walking or jogging at night
--10.USB Charging, Easy & Fast To Charge
Specification:
LED: CREE XM-L T6
Brightness: 1800 lumens
Light range: Max. 200M
Material: aluminum alloy + ABS
Power Supply: Built-in 3000mAH polymer battery
Operating Voltage (V): 5V
Working current (A): 1.2A
Output power (W): 7W
Working hours:
- High brightness mode: 3-4 hours
- Low brightness mode: 4 hours
- Flash mode: 9 hours
-Charging time: 2 -3 hours