The DKN Speedbike computer 1.3 has a bright & clear backlit LCD display. It starts monitoring automatically when your spin starts, & enables you to keep track of your speed, distance, time, calories burnt & heart rate (if you use it with an optional DKN HR transmitter). The computer is supplied with a magnet sensor & computer head. It is compatible with X-run, Z-11, Eclipse & other speed bikes, except Racer Pro & AX-1.