Lenmar model MSCAA • Mach 1 ’Gamma’ 1 Hour SpeedCharger NiMH AC/DC Kit with Neotherm technology • Neotherm technology keeps batteries cool, extends battery life with internal cooling fan • Charges one to four AA and AAA Nickel Metal-Hydride batteries • Charges NiMH batteries from 35 minutes • Four LED charge status indicator • Includes four 2500mAh NoMEM Pro AA Nickel Metal-Hydride batteries • Worldwide 100-240V AC and DC car cord • 3 year warranty on charger.