Meilan M4 Wireless Bike Computer
LARGE SCREEN AND WATERPROOF - 2.5 inch large display area screen, white color backlight-Two level brightness , good display effect under the sun, you can clearly view the screen data both during the day and at night.
M4 switch between Metric and Imperial systems:
In setting mode, after setting the date, press the right button for next page setting, you can see KM/ MI flashing, then you can press the middle button to switch between KM and MI(miles). (If you didn’t notice the flashing and entered into ODO setting, you can press the left button to backward)
NOTICE: M4 bike computer does not work with spin bike or some indoor bicycle, that speed& cadence sensor cannot be installed.
If you have any questions during the installation or use, please visit MEULAN OUTDOOR YOUTUBE or FACEBOOK for solutions, or contact via "ask a question". New and old version packaging were random Delivery from Amazon warehouse.