1.The function of avoiding over current and short circuit. 2.five LCD displays include speed, distance, time, calories and pulse 3.Special safety brake, which has the function of emergency stop. When the trainer tumbles, it can stop the whole machine to avoid the trainer's further being hurt. 4.Sensor with hand style for heart rate, through which you can know the quantity of sport at any moment. 5.Can be folded easily and The heaviest bearing is 100kg. 1) 電機:1.5 HP 2) 速度范圍: 0.8-12km/h 3) 時間: 0:00-99:59(km) 4) 距離:0.10-99.99(minute: meter) 5) 心率: 40-235(hypo/minute) 6) 跑板面積:476*1020mm 7) 占地面積:1540*640mm