Our headlamp uses upgraded 30w chip with excellent bulb performance, up to 20000 lumens and illumination range up to 1000 metres / 3280feet. The high power headlamp has strong penetration, good capacitance and high brightness, which makes it a great hands-free light.This adult headlamp is built-in high quality infrared sensor, long press the button for 3 seconds to enter the sensor mode, the LED headlamp can detect hand waving motion (within 20cm) and turn on/off automatically, perfect for outdoor work at night and can be easily switched between manual mode and sensor mode.The head mounted torch can be rotated 90 to adjust the illumination angle to avoid wobbling and slipping while running. The adjustable elastic headband is ergonomically designed to provide a secure and comfortable fit for extended wear. Both kids and adults are suitable for this rechargeable headlamp.Multi-functional headlamp with single button control 3 on/off modes (Strong-Weak-Burst Flash). You can stretch the head to switch between large area lighting flood light and long distance spot light. It is safe, reliable, easy to use and versatile, making it an ideal headlamp torch.On the back of the battery compartment, there are 4 blue indicator lights, you can clearly know how much power is left in the USB rechargeable headlamp. In addition, there is a tail warning light on the back, the red warning light emits a striking red light, perfect for outdoor activities such as camping, hiking, caving and car repair.