... main produce the Running Treadmill,Life Fitness,electric running machine,electric running machines,treadmill running machine FR1204D Double Layer Running Board, Multifunction, ... and clear screen6. With Double Layer Running Board,reduce vibration, make running easy and comfortable7. Foldable for Easy ... aid8. Cylinder providing Hands Free Slow Drop / Running Deck Unfolding.9. The ergonomic design of sit ...