Merax JK1603E Easy Assembly Folding Electric Treadmill Motorized Running Machine Perfect size and folding design great for home Use and contains rolling wheels on the bottom providing simple Transport Multi-functional display that allows user to Track progress in speed, distance, heart RATE and calories burned An extremely low noise motor and a safety emergency Stop key for your safety, specially pleasant design including safe and convenient Excellent deck provides useful cushioning for ankle, back and knee joints which helping your muscles recover faster from workout