Commodity: Infrared Massage Hammer Model: HY-1002 Packing: color box Specifications: (ctn measurement) 57*42*46 cm Rated Power: 28W Rated Voltage: 200V-230V ( or 110V ) Frequency: 50-60Hz Electric Current: 160mA Rated Work Time: 30minutes Weight: 1.1kg Function: 1. Relieve fatigue and aches from exercise and mental stress. 2. Relax the muscles and ease the discomfort. 3. Promote blood circulation. 4. Adjust blood balance in body. 5. Strengthen immunity of body. 6. Infrared Levels, the warm moxibustion function can promote metabolism.