【Powerful Dual Light Source】- With a new 16-pin LED light source, it meets your needs for powerful and bright headlights. Energy-saving COB lamp for easy reading or maintenance. Two light sources to meet your needs in all situations 【Telescopic Zoom and Adjustable Lighting Angle】- This headlamp can zoom flexibly, zoom out to get a focused beam for long-distance lighting and zoom in to flood the beam for long-distance lighting. Main light and COB light can be adjusted up and down to get the perfect lighting angle 【Power Bank Function】- Our rechargeable headlamps have USB input port and USB output port. In an emergency, you can use your headlamp as an emergency power source to charge your phone or wireless headphones. 【Safety Indicator】- This rechargeable headlamp has a built-in battery indicator and a red light on the back. The battery indicator informs you of the remaining battery life. Flashing red warning light makes you safer when driving or walking at night 【Reliable Headlamp】- With an adjustable headband and lightweight design, the headlamp will not put pressure on your head even if you wear it all day. One-button control of 4 lighting modes: high/low/strobe/high (COB light), operation is very simple. The high-strength aluminum housing makes the headlamp suitable for various extreme conditions, especially during natural disasters such as storms, floods, earthquakes, etc.