The Pro 5x Diopter LED Magnifying Lamp does not have that option but the lamps below do:
https://www.spaandequipment.com/Elemento-LED-Magnifying-Lamp-Touch-Control-Brightening-Adjustment-System.html
https://www.spaandequipment.com/Moda-LED-Magnifying-Lamp-Touch-Control-Brightening-Adjustment-System.html
Answered by Lilia Valles on Dec 14, 2020