Your lifestyle is fitness and your equipment needs to go the distance. The Precision™ Series Treadmills are professional quality running and walking machines for the home with the design and features favored by fitness center exercisers and owners. You don’t have to choose between the convenience of a workout at home and the quality of a fitness center exercise experience. The 400 Line treadmills are club-quality exercise equipment that’s built to go the distance. These quiet treadmills are low-impact and perfect for any home gym. Featuring the Precor exclusive Ground Effects® Impact Control System and Integrated Footplant Technology™ to cushion joints and support your stride so you run or walk with confidence. Technology uses your preferences and exercise data to deliver a personalized workout experience that promotes better results and saves you time. The 400 Line includes the TRM 425 and TRM 445 treadmills, the difference being the consoles, R20 or R40.