Vibratone Whole Body Vibration Machine By Sunpentown Features: Increases muscle strength and flexibility Enhances balance, mobility and coordination Increases bone density Strengthens posture Improves blood circulation Increases blood oxygenation Reduces back pain and stiffness Improves skin quality and radiance Enhances metabolism and prevents constipation 3 Auto programs User friendly control panel Up to 10 minutes timer 12 speeds to choose from Spiral Wave Motion Compact design with handle Specifications: RPM (speed 1 / 12): 1860 / 2920 Frequency (speed 1 / 12): 31Hz / 48.7Hz Amplitude: 3 mm Recommended maximum weight of user: 265 lbs. Vibrating plate dimension (L x W): 19.29 x 11.81 in. Power Consumption: 65W Power Source: 120V / 60Hz Dimensions: 21.06 x 17.13 x 49.21 in. Weight: 57 lbs.