Don’t be fooled by its small size. Powered by the latest CREE XPL-HI V5 LED, this little dynamo casts out a blinding 1000 lumens of light! It is all you need to light up your darkest night dive. Multi-position button switch HIGH-MID-OFF. HIGH is 1000 lumens, MID is 500 lumens. Battery duration – 1H 10M @ 1000 lumen / 2H 10M @ 500 lumen. Uses 1 x 18650 2600mAh Li-ion rechargeable battery. Overall Length: 5.0” (127 mm).