Monitor PM5 Power Requirement Takes two D cell batteries. During your workout, the monitor draws power from the spinning flywheel to extend battery life. Frame Aluminum Color Scheme Black Cord High strength synthetic drive cord Space Recommendations Wall Mounted:Width at bottom: 19 in (48.3 cm)Width at top: 20.5 in (52 cm)Depth: 16 in (40.6 cm)Height: 85 in (216 cm) Mounted on Floor Stand: 23.5 in x 50 in x 85 in (60 cm x 127 cm x 216 cm) Mounted on Wide Floor Stand: 32 in x 52 in x 85 in (81.3 cm x 132 cm x 215.9 cm) Machine Weight SkiErg: 46 lb (20.9 kg)Floor Stand: 35 lb (16 kg)Wide Floor stand: 42 lb (19.5 kg) Shipping Dimensions SkiErg: 21 in x 19 in x 49 in (54 cm x 49 cm x 125 cm)Floor stand: 5 in x 26 in x 53 in (13 cm x 66 cm x 135 cm)Wide Floor Stand: 5 in x 34 in x 53 in (13 cm x 86 cm x 135 cm) Shipping Weight SkiErg: 61 lb (28 kg)Floor stand: 40 lb (18 kg)Wide Floor Stand: 48 lb (22 kg) OPTIONAL BASE $398.88