"3 levels of lighting - High, medium and low, plus strobe function","Super bright C4 LED produces 615 lumens on high","Piggyback style charge with spare battery included","Lithium ion battery rechargeable up to 1,000 times","Charges in just 3 hours","6000 series machined aircraft aluminum with anodized finish STREAMLIGHT STRION 615 LUMENS RECHARGEABLE FLASHLIGHT WITH PIGGYBACK CHARGER-BLUE M95205 | Matco Tools