Features:<br> There are 2 types, with as/sm connection, chhose based on your needs.<br> Both speedometer & pulse trakcing connection are through 3.5 mm female jacks on the back the monitor.<br> Suitable for for Stationary Bikes with 'for head phone jack' look connection tips. E.g. bikes by Sunny, PooBoo, L-Now, s node, etc.<br> 2 x AAA Batteries Not Included - Required: Batteries are NOT included for safety concern.<br> Large LCD display, the data is clear at a glance, which is convenient for read.<br> <br> Specifications:<br> Material: ABS<br> Connector: as/sm(optional)<br> Input voltage: 1.5V<br> <br> Note:<br> Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br> Package includes:<br> 1x Speedometer<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store