UNR Commander Ultra High Variable Output Rechargeable LED Flashlight, BlackProduct ReviewP Click on the link for more reviewsPVirtually indestructible LED emitter, microprocessor regulated to maximize output and runtimeP4-function switch?select output mode, then press down for momentary-on, or push sideways for constant-onPDual fuel?uses one lithium-ion rechargeable battery (included) or two 123A disposable batteries in included battery magazinePBattery level indicator (Fuel Gauge)PIncludes one Li-ion rechargeable battery, wall (AC) charger with international adapters and car (DC) charger, and one anti-roll ring for bezelP