... are linear actuator OK618, wireless control box OK3014, wireless handset MPT02, switch power OK3012. 2.The wireless handset MPT02 could control one ... as customer’s requirement.4.The control distance of the wireless handset is between 3m~10m.5.This complete set ... function chair, function sofa, medical bed, automatic doors, automatic windows, smoke windows, other drive systems.6.It could be changed for ...