The BH Fitness LK500WS is a light commercial grade workstation that can be used in office environments or your home office. Use for up to 6 hours a day. Electric adjustable height desk with two presets. Includes 3 AC plugs for your laptops and other devices. 2 USB ports. Walk at up to 4 mph. Desk has industrial padding along the front and can be adjusted from 36?-50.5? to keep you in proper posture and position. Senses and pauses if you step off or stand on side rails. This is a very high quality workstation with a ton of great features.