I installed this under an existing desk and I am very happy with the result. The telescopic width adjustment is perfect to fit your existing desk. The product appears to be of good quality and made of very heavy sturdy steel. It arrives in a flat pack box (photo) and you have to assemble it. The instructions are very clear and the pieces are all clearly labelled with letters. I assembled it, slid it under the existing desk, plugged it in and raised the desk a little and then removed the existing desk legs. Done! I did not even have to remove the stuff on my desk! I now switch between sitting desk position and standing desk position several times a day. The motor runs smoothly. There are simple up and down arrowed buttons and the motor stops instantly when you remove your finger from the controls. (You press the button once to wake up the controller from sleep mode and press a second time to raise or lower the desk)
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