The HMDB2+P1 sit stand frame incorporates a minimalistdesigned 2 stage lifting column in a basic configuration. The included HumanMotion P1 advanced digitalmemory keypad controller stores up to 3 heights, allowing the user to switchbetween sitting and standing with the touch of a button while the exact desktopheight is shown on the display. In addition, the P1 memory controllerincorporates an activity timer that can be set to remind the user when toadjust movements in half hour increments (maximum 2 hours). An advancedcollision avoidance system stops desk motion should any resistance be feltduring movement. The durable steel frame is precision-manufactured and powdercoated for long life and contemporary appearance. Model colors include MatteBlack, Space Grey, or White Satin. OEM custom frame colors are available. Acable management shelf organizes and channels wiring while creating a cleanappearance.