The SSM-01 STAIR CLIMBER is perfect for commercial and home use. It is easy to assemble and has a max user weight of 150 kg. The max speed is 120 steps per minute, making it perfect for a workout. The frame material is steel, making it durable and long lasting. The step width is 14 cm width x 13 cm height, making it comfortable to use. The display type is LCD display, making it easy to read. The console functions include time, speed, distance, and calories