Features: Display speed, average speed, max speed, time, distance, temperature and altitude, trip time, date, etc. in data instantly. Upload the data to your computer and then to www.igpsport.com or www.strava.com for analysis. Automatically bright screen turn on/off when sunrise or sunset. IPX6 water proof body allows for rainy day riding. Easy to install onto the handlebar with the mount and O-rings provided. Note: The description Recording: Flashing means pause, lighting up means recording is misprinted. It should be altered to Recording: Flashing means recording, lighting up means pause. Please read the user manual carefully before operation. Functions: SPD: Current speed AVS: Average Speed DST: Trip Distance ALT: Altitude ODO: Odometer MXS: Max Speed TEM: Temperature CAL: Calories Time Trip Time Date