Smart GPS Cycle Computer Wireless Bike Computer Digital Speedometer IPX7 Accurate Bike Computer with Protective Cover 4 satellites positional systems: BEIDOU, GPS, GLONASS, GALILEO ensure an accurate position and trace; 9 types of data recording,so you can easily share your rides with your friends.   Features: 4 satellites positional systems: BEIDOU,GPS,GLONASS, GALILEO ensure accurate position and trace. 1.8'' large LCD screen with automatic backlight. IPX7 allows you to ride in all weather conditions. Track and display speed, distance, track, altitude, trip time and multiple data in data instantly. Supports third party apps,compactible with XOSS,Strava and Training Peaks, so you can easily share your rides with your friends. Built-in 500mAh rechargeable lithium battery,about 24-25 hours batter life after 2-3 hours full charged. With a built-in barometer,you'll know how high you've ridden on the longest climbs or on your way through the city. Easy to install onto the handlebar with the mount and O-rings provided.   9 Data Recordings:  SPD: Current Speed AVG: Average Speed MAX: Maximum Speed DIST: Mileage ODO: Total Mileage GRD: Slope TIME: Exercise Time ALT: Altitude CLOCK: Clock Others Function: GPS, BeiDou, Glonass, Galileo IPX7 Waterproof BT 5.0 Barometer Backlight   Specification: Screen: 1.8'' LCD APP: Compatible with XOSS,Strava and Training Peaks Battery: 1* 3.7V 500mAh rechargeable lithium battery Battery life: 24-25 hours Charging time: 2-3 hours Waterproof rating: IPX7 Working temperature: -10~50°C/14~122°F Weight: Approx. 50g/1.7oz Size: 7.5*4.8*1.9cm/2.9*1.8*0.7in Package weight: Approx. 115g/4.1oz Package List: 1* Smart Bike Computer 1* Protective Cover 1* USB Cable 1* Mounting Base 1* Rubber Pad 2* Rubber Ring