... manufacture 2 We have our patent 3 CE certification 4 AC motor 3.0--4.6HP, 240kg Treadmill AT-A60 Description ... : Horse power : continuous 3.0 HP,max 4.6HPMotor:AC motor , variable frequency adjustable speed, 7 direct speed key select ... 8 direct inclinekey to select , negative oxygen ion generator , multi-audio source switch system and high-fidelity sound box , LED dial ...