Package include: 1 x Two-foot Two-section / three-section Lift Desk (Without desktop) 1 x English user manual and Installation instruction will send by Email(pls leave us your mailbox) Product description: Technical Specifications Input: 110/220VAC Output Power: 24VDC Load Capacity:1000N Max.Speed: 25MM/S Stroke:650MM Min.Install Dimension: 610MM Load:120KGS Operation Temperature: 0-40℃ Duty Cycle:Max.10% or 2 min.on and 18 min.off