Sealey Dellonda Black Electric Height Adjustable Standing Desk, DH34Gives an extra large working space of (W x D): 1400 x 700mm for office, school or home use. Ergonomic design helps to reduce the most common complaint of office workers who sit all day. With a digital control panel with four programmable memory presets enabling you to reach your desired height with the push of a button. Dual motor system ensures a very fast and stable adjustment. Features ultra quiet operation with a sound level less than 50dB.