Air resistance with additional felt back friction tape. Hand pulse sensor. 6-function exercise monitor with calorie (theoretical calorie burn), distance (miles), hand pulse (beats per minute), scan, speed (mph) and time (minutes/seconds) modes. Micro tension controller resistance adjustment. Maximum user weight 110kg/17.3st. Size (H)155, (W)78, (D)98cm. Gross weight 29kg. Requires 2 x AA batteries, not included. Packed flat for home assembly.