Skyray Brightness 10000lm 7x Xm-l L2 LED 18650/26650 Diving Scuba Flashlight Torch Only Underwater 200m Made of high quality anodized aluminum alloy extremely scratch-proof and corrosion resistant Switch Type: Push Reflector: Aluminum textured reflector Internal wiring applies the high efficient booster circuit Battery Configurations: 2x18650 (do NOT include)