NoteThis item with 3.5mm cable ,not include other part ,please sure ,thanks This product uses the international standard unit: KM (it cannot be change to ML display). Feature Works for HeadPhone-Look CablesBoth speedometer & pulse trakcing connection are through 3.5 mm female jacks on the back the monitor - adapters (NOT INCLUDED) might be needed if the device also happen to have FEMALE jacks (rare cases). Compatible with Most Indoor Exercise Bikes - for Stationary Bikes with "head phone jack" look connection tips. E.g. many bike models by Sunny, PooBoo, L-Now, Snode, Exerpeutic, Pleny, Yosuda, Ativafit, Faafuu - 95% of Amazon brands as well as domestic brands 2 x AAA Batteries Not Included - RequiredBatteries are NOT included. Product Details Model: ZT-JP040 Counting range: 9999 (pcs) Input signal voltage: 1.5V (V) Specification: SM connector Size: 147*124mm LCD Size: 50*23mm Package includes 1xMonitor Speedometer