CYCPLUS Cycling GPS Bike Computer Bicycle Accessories ANT+ Odometer Wireless Speedometer for Speed Cadence Heart Rate Sensor - 2.9inch super big ANST screen - Automatically light the backlight - Switzerland Ublox chip, faster positioning and accuracy track record - ANT+ Peripheral supported: heart rate monitor, cadence sensor, powermeter - Real time data showing:max/current/average speed, cadence, heart rate, power,gradient; Time, distance, ascent, ODO, altitude, temperature - Support app data analysis and sync to Strava - 1100mAh rechargeable battery, 30+ hours super long endurance - 200h huge memory - Built-in barometer, thermometer - IPX6 waterproof - 200h huge memory -It supports BLE5.0, and can quickly synchronize data to mobile phone -Sync time for reference: about 10.35kb/s or 45s for 100km (IOS); about 8.37kb/s or 56s for 100km (Android)..This test includes cadence, speed and heart rate sensor data. - It supports automatic power-off and automatic pause; Please note the mount holder is for 31.8mm handlebar. 2.9"'" FSTN LCD ANT+ Peripheral supported Compatible with heart rate monitor, cadense/speed sensor, power meter etc. famous brands, such as Wahoo, Garmin and ours CYCPLUS. Support Various Data Display Such as the heart rate, time, distance, speed, cadense, power etc.as below. Bluetooth extreme fast data update with app XOSS, support upload to Strava and training peaks. Installation Method 1. Cross-fix the holder with the rubber bands. 2. CYCPLUS Z1(need to buy separately) bike computer mount.