The Response XR2 fights above its weight; projecting 2359 lumens on a 2-hour runtime. It’s also IP68 dust proof and water proof up to 2 meters. This duel fuel compatible light offers flexibility being able to run on disposable CR123 or 18650 rechargeable batteries. Go big without the bulk while on patrol with the Response XR2. Upgrade your XR series flashlight to 18650 rechargeable power with the Response XR Charger Kit.