StrengthMaster MI-Series motorized treadmill. Bought over 13 years ago but barely used (only light use by girls). Clean, excellent condition, and runs perfectly. Specs: 220V, 60Hz power plug required. Features: Motorized incline, quick speed keys, and safety key included. Condition: Fully working. Low mileage. Electric treadmill over 13 years old but almost new and not used much (very light and clean use by the family's girls). The device is clean and works excellently and without any problems. Specifications: Works with 220 volts, 60 Hz frequency. Features: Control of height and incline, quick speed buttons, safety key. Condition: Works excellently as if new.