The Nitecore THOR MH40 Flashlight is a dual-power source ultra-high intensity hand-held searchlight that casts an overpowering 900 lumen beam from its CREE XM-L LED bulb, with a custom-designed reflector that provides a versatile beam profile that balances flood lighting and throw distance. This powerful rechargeable flashlight features two preset operating modes and four selectable brightness levels, giving you amazing versatility. The Nitecore MH40 THOR Multitask Hybrid Flashlight has a convenient, easy-to-use interface, and an intelligent charging circuit with voltage detection that automatically detects the current and adapts accordingly, and lets you monitor the charging status. This rechargeable flashlight runs off of rechargeagble batteries and includes a charging stand. The NiteCore MH40 Thor Rechargeable Flashlight has a standarized 1" tube diameter, making it compatible with many mounting accessories, and a double anti-shock spring system protects the flashlight from internal impact damage. Other outstanding features of the NiteCore MH40 Multi-Task Hybrid THOR Flashlight include the ultra-clear mineral glass with anti-reflective coating, a stainless steel retaining bezel ring, a U-shaped tailcap that makes for easy activation even with gloves on, and the simple fact that it's waterproof and fully submersible to 2 meters.