User friendly control panel. Three auto programs. Up to 10 minutes timer. 12 speeds to choose from. Spiral wave motion. Compact design with handle. Increases muscle strength, bone density, blood oxygenation and flexibility. Enhances balance, mobility and coordination. Strengthens posture. Improves blood circulation, skin quality and radiance. Reduces back pain and stiffness. Enhances metabolism and prevents constipation. Power supply: 120 V/60 Hz. Rated power: 200 W. Vibration per minute: 240 - 480 rpm/4.5 - 8.42 Hz. Amplitude: 0 - 15mm. Maximum user weight: 265 lbs. Vibrating plate: 19.29 in. L x 11.81 in. W. Overall: 21.06 in. L x 17.13 in. W x 49.21 in. H (33.07 lbs.) Vibratone Whole Body Vibration Machine offers beneficial effects in health, fitness and beauty. The vibration causes muscles to automatically contract in a reflex, which stimulates blood circulation and stretches both tendons and ligaments. Simply stand on the machine for 10 to 20 minutes a day and get a full body workout just by making minor adjustments to your posture.