ERGOVIDA Electric Sit-Stand Corner Desk Black Frame 1800 x 1800 x 750mm White Top This Ergovida EED-633D is a minimalistic option and the best bench sit-stand desk frame if you want something without frills or high costs, perfect for offices, schools, home and most working environments Features: 620-1280mm height range* with ability to preset minimum and maximum heights. Dual motor 3 stage lift leg with 150kg weight capacity. Anti-collision and Gyroscopic technology for safety.