Aobi Green Flashlight CREE XPE Q5 300LM LED Flashlight+Battery Charger+Battery 100% Brand New and High Quality Average lifespan 100000 hours Also designed to mount on certain hand pistols, rifles and shotguns with proper mounting equipment Adjustable Focus ,you can Zoom in/out to adjust its beam . Waterproofing shell allows the flashlight to be used in rainy day, but don't use it under water.