Dimension: 58³ (L) x 35³ (W) x 85³ (H). Step area: 10³ (L) x 22³ (W) Highly reliable step lock system with sensor/reflector Maximum speed: 120 steps per minute. User-controlled variable pace to suit all levels of fitness. Ensuring a safe, secure stair-climbing experience Rated voltage: 220v. Max load weight: 200 kg. Delineated steps: Extra-deep steps accommodate a wide range of users, and proper foot placement. Step positioning software: locks steps at lowest possible point for easy entry and exit. Advantage: Environmental Protection and Energy Conservation Aesthetics and Fash Emergency.