【Hyper-Quiet Magnetic Drive System】We developed the latest technology magnetic system and eliminates noise, also control the sound at 20DB even after millions of times workout. No disturbing on working, reading, and sleeping at home. 【16LB Flywheel with 16 Resistance Levels】Provides double resistance levels than the ordinary product, smooth feeling thanks to 16lb flywheel and high gear ratio, no need for any electrical source. All stages exerciser can get efficient exercise with different resistance, no matter you are beginner or fanatic. 【400 LBS Weight Capacity】The NICEDAY's main frame is made of the 8*5CM extra-thicken commercial steel pipe. The heavy-duty base contributes outstanding stability and loading capacity. It is for a long-term exercise workout, not those simple products for only a few months' use. 【Exactly Calculated Data】The digital monitor displays TIME, SPEED, DISTANCE, CALORIES, and PULSE. All data is dual-calibrated by serious algorithms, which will make you clear about your exercise effect to make a more exact training schedule to achieve your exercise goal. 【Long-life Service Promise】We promise to provide a life-long service to the NICEDAY elliptical machine. We will pay for all of the replacement costs if customers need replacements. We have set a professional online service team to provide help with this elliptical machine. All messages will get responses within 24 hours.