Sunny Health & Fitness SF-RW5508 Ultra Tension Magnetic Pro Rowing Machine Rower w/ LCD Monitor ADVANCED DIGITAL MONITOR: Superior technology displays your fitness progress including your Time, Strokes, Strokes/min, Calories burned, Distance, and Pulse. The rowing console is also compatible with 5.3 KHz heart rate monitors  sold separately. MAGNETIC RESISTANCE: 10 levels of magnetic resistance challenge your rowing experience while you increase cardio and strength training. The magnetic resistance is higher quality than other tension systems and is a powerful option for your workout. COMFORT AND QUALITY: Full padded seat and non slip grip handlebars are designed for optimal comfort and stability. The oversized foot pads are ergonomically designed and pivot for full range of motion. POWERFUL AND QUIET DESIGN: Magnetic resistance creates an ultra silent rowing workout even for the toughest rides. Max user weight is 300 Lbs. HEART RATE BELT COMPATIBLE: Keep track of your heart rate using a heart rate monitor you can sync to the advanced digital console.