Philmore Multi-Voltage Regulated DC Power Supply : MW122A (1) Multi-Voltage Output: 3 , 4.5, 6 , 7.5, 9 , 12 VD 12VDC; 110/120VAC Input Provides constant current from 0-2000mA Short circuit protection Automatic thermal cutoff and overload protection 3-3/4" wide x 5-1/4" long x 2-5/8" high; Weighs 2 lbs 14 oz.