TOPSKY DF04.01: 5 year after sales service and suitable for home and office use. (All customer bought before can use the screenshot of this page as proof to confirm with us. This page shall prevail. Please ignore the printing mistake of warranty on assembly instruction and package. We have corrected this from the new batch.) Wide Range for Height/Width Adjustment: The frame height is adjustable from 23.6/60cm to 49.2/125cm and frame width from 43/108.8cm to 67/170cm(including both side brackets). Recommended table top size: 47.2x23.6/120x60cm(Min)-80x31.5/200x80cm(Max). It is suggested not to use the guide sleeve if the tabletop length is less than 48/122cm. Larger Support Capacity: Sturdy construction with heavy-duty powder coating steel frame and powerful dual-motor system enables to support larger load capacity up to 300lbs/136kg. Rest assured to place monitors, game consoles, CPU, printer and more office supplies. 3-Stage Column with Dual-Motor: Powerfu