STREAMLED: Zoom in/out CREE Q5 LED Adjustable Focus Headlight Headlamp 300LM lumen 3x AAA Battery Light bulb type: Q5 CREE LED Brightness: above 300 lumens 6 Mode: Strong Brightness / Normal Brightness / Flashing / zoom in / zoom out /Off Powered by 3 AAA 1.5 V batteries (Included) Extensive Lifetime of CREE LED: Up to 100,000 hours