Infrared Massage Function: High-speed massage head can relieve your fatigue,muscular tone and ache, etc by viberation and hitting. Packing details: Carton dimension:77.5×44.5×42CM Package:20PCS/CTN N.W:24kg G.W:26kg Technical parameter: Voltage:100-120V/220-240V Frequency:50/60HZ Power:30W