Dual motor / 3 Stage / Enhanced column Material: Commercial grade steel Height Range: 600-1250mm Stroke: 650mm Width Range: 1100-1700mm Speed: 35mm Noise: < 50dB Load Capacity: 120kg / 265lbs Power: 100-230V Anti-collision: Yes New version with holeless column G.W: 30kg / 66lbs Carton Size: 105*25*20.5cm / 41.3*9.8*8.07 inch