Low-noise DC motor Input voltage: 220V¡À10%(50 ¡« 60Hz) Max. Power: 3HP( LB-300 DC/DCS)/4HP(LB-300 AC/ACS) Speed scope: 0.8-16km/h Incline scope: 0-12 With speed direct key to select: 7(LB-300 DC/AC)/6(LB-300 DCS /ACS) With incline direct key to select: 8(LB-300 DC/AC)/6(LB-300 DCS /ACS) Preset speed programs, 12 levels each: 12(LB-300 DC/AC)/8(LB-300 DCS /ACS) Preset incline programs, 12 levels each: 8 (LB-300 DCS /ACS) With speed adjusting button & hand heart rate monitor on handrails With hydraulic soft folding system With high strength, high density, high elastic anti-friction running board With silicon suspension and rubber damper double absorber system With over-current £¦ short circuit protection Built-in U disk, SD card broadcast system £¦ Support MPEG1/2, MP3, WMA format With muti-audio source switch system high-fidelity sound box With LCD display Max. user weight: 160KG Running belt size (mm): 3020¡Á500 Running area (mm): 1300¡Á500. Packing size(mm):2070¡Á930¡Á450(paper skin) 2130¡Á960¡Á620(wooden case) Occupancy area (mm): 2130¡Á1000¡Á1350.