Concept2 Model E Indoor Rowing Machine PM5 Rowing is for everyone; Model E seat is 6 higher off the ground than other rowing machines; offers easy on/off for those with limited mobility or flexibility issues Low impact workout engages all major muscle groups; work legs, core and arms with a smooth, high calorie-burning motion Track your progress with real-time reliable data; the Performance Monitor 5 (included) self-calibrates for comparable results; connect wirelessly to heart rate straps and apps (not included) Data at your fingertips: fixed monitor arm puts the Performance Monitor close to the athlete Commercial-grade indoor rower is suitable for home or gym use; rugged aesthetics; glossy two-coat paint finish Separates easily into two pieces for storage; caster wheels make it mobile; easy to assemble using a total of only ten screws Space recommended for us is 9 x 4 feet; 500-pound user capacity; 5-year frame warranty included