This advanced rechargeable tactical flashlight was developed based upon the RT3, but features a more powerful 90 lumens output. With the car-express charger, it's your best friend in your vehicle. 7.2V Xenon incandescent Bulb 90 lumens Runtime: 100 minutes Two NT18650 rechargeable lithium Batteries Distance: 472'/ 144m Aerospace grade aluminum 6061-T6 Hard black titanic anodizing finish Full clear glass lens Dimensions: 7.69" x 1.09" / 193 x 29mm (head diameter 1.34" / 34mm) Click on/of switch