This model is very appealing to someone that is a walker, at a transitional stage from walking to running, or a mid-level runner. Large 22 x 60 inch running surface and 3.5HP motor give you all the room and power you need for a comfortable workout. The top speed of 12mph and 15% elevation are sure to keep you challenged. The XT385 has two user programs, up to 15% elevation capability, aluminum side rails, larger motor with wider belt, and frame uprights stability bar for a more solid feel. The XT385 connects to third party apps via Bluetooth FTMS and is Zwift App Compatible.SPECIFICATIONSConsole: 7.5 inch Blue Backlit LCD, Heart Rate % Profile, Muscle Activation Profile, w/ Tablet Friendly Reading RackConsole Feedback: Time, Distance, Speed, Elevation, Calories, Pace, Altitude, Laps, Segment Time, and Heart RatePrograms: 10 Programs: Manual, Hill, Fat Burn, Cardio, Strength, Interval, 2 User, 2 Heart RateHeart Rate: Hand Pulse Sensors & Receiver built-in (chest strap sold separately)Direct Access Buttons: Speed & InclineSpeed: 0.5 - 12 mph (0.1 mph increments)Bluetooth: YesIncline: 0 - 15 Levels (0.5 increments)Drive Motor: 3.5 HPHandlebar Controls: YesPower: AC110V / 15A | AC220V / 10ADeck: 1 inch Running Deck ThicknessBelt: 22 X 60 inch Running SurfaceRollers: 2.5 inch Front / 2.5 inch RearCushioning: 6 Cushions (rear rigid mount)Handrails: Aluminum with steel uprights and stability barFrame: Folding Frame Design, Commercial-Grade Structural Steel w/Durable Powder-Coat PaintUnique Features: MP3 Audio Jack & Speakers, Swivel Fan, Dual Storage TraysDimensions: Set-Up Dimension: 80 L x 35 W x 57 H inches | Folded Dimension: 48 L x 34.8 W x 69.3 H inches | Shipping Dimension: 84.7 L x 35.8 W x 15.4 H inchesProduct Weight: 265 lbMaximum User Weight: 375 lb