rowing machine

1,power supply:built-in motor,no need power supply,can put it anywhere 2,sisitem:no attaching resistence sistem,roll fluid,quiet 3,resisitence:advanced Hybrid Brake sisitem,16 choices of degree 4,structure:go front and turn back action desgin 5,self:professional aluminium bike self,stable and durable 6,disply:time,distance,calorie,watt,cycles per minute,blocks,pulse 7,occuping area:2100*600*750mm