screen size 2.4 Screen type LCD dot matrix screen Displayable data types 110 items in 13 categories Single screen display data items 2-8 items 30 pages of data pages can be set at the end of the stopwatch APP data item function 46 items of data, 16 items of charts Waterproof grade IPX6 Battery life 28h (affected by temperature and usage environment) Charging time (support charging while using) 2h Working temperature -10C-50C Wireless protocol Bluetooth 5.0, ANT+ Positioning speed 30s (affected by weather and other environments) Storage capacity 32M 8 types of expandable peripherals (cadence, speed, speed cadence 2-in-1 power meter, smart riding platform, electronic shifting system, smart radar taillight*) Positioning system 4 stars (BeiDou, GPS, GLONASS, Galileo) Data export and distribution can be bound to STRAVA and TrainingPeaks accounts Weight: 80g Color: black, red, blue Material: plastic, ABS Quantity: 1pcs*bike iron rear pedals