Uncaged Ergonomics CDM-B CHANGEdesk Adjustable Height Standing Desk Conversion, BlackIf you're looking for all the benefits of an adjustable height desk at a price that doesn't break the bank, CHANGEdesk is the perfect option. With smooth and easy height adjustment, hefty weight capacity, and an adjustable keyboard tray, CHANGEdesk provides a premium quality and design at an affordable price. CHANGEdesk is the ideal standing desk conversion for anyone looking to improve their posture and create an "active" desk environment without breaking the bank. How It Works: No installation required; simply place on top of your existing work surface.Smooth, fast, spring-assisted height adjustment. Just squeeze the lever and raise/lower CHANGEdesk.HUGE adjustable height range (4.5-21.5") - we go lower and extend taller for better ergonomics5 height settings accommodate users up to 6'5" Features: Holds single monitors, iMacs & 2 monitors up to 21" (under 30 lbs.)Huge height range - raises your monitor to 5 positions from 4" to 21.5"Large, premium quality top panel (27.5"x19.5") Integrated, adjustable keyboard tray (no, it's not fixed)Ambidextrous mouse pad (for righties & lefties)USA & foreign patents pendingProduct Specifications BRANDUncaged Ergonomics MANUFACTURERS PART NUMBERCDM-B WIDTH INCHES25-1/4 DEPTH INCHES18 HEIGHT INCHES4 to 21-1/4 WEIGHT LBS30 DESCRIPTIONCHANGEdesk CONSTRUCTIONSteel, Laminate COLOR FINISHBlack DISPLAY TYPEDual Monitor LCD SIZEUp to 21" WEIGHT CAPACITY30 lbs KEYBOARD TRAY (W X D)23-3/4" x 6-1/2" MOUSE TRAY (W X D)7" x 6.6" MOUNT TYPEDesktop STYLESit-Stand TYPEStanding Desk Converter PACKAGE QUANTITY1 ASSEMBLYAssembled LIMITED WARRANTY1 Year