The Cycplus G1 cycle computer supports speed measurement via GPS signal. It can display maximum/minimum/average speed. Additionally, it can also show time, distance, total time and total distance of the trip, time, and altitude.The G1 supports ODO adjustment, time zone, unit, and factory reset. When the device is idle for 10 minutes, it will automatically turn off. When switched on next time, the last bicycle data will be saved. If you manually turn off the device, then the recent bicycle data will not be saved upon the next power-up. With IPX6 technology, the bicycle speedometer is water-resistant, allowing you to enjoy cycling in any weather condition.Features:Operating temperature: 20 - 60 °CIPX6 resistant (rain, but not submersible for long periods)Backlight functionGPS Beidou Glonass Galileo2.