This C406 Pro GPS bike computers with 2.4-inch clear definition LCD screen with a super-wide 140° viewing angle and you will know necessary data at a glance. It can display 13 categories of important cycling data, such as speed, cadence, heart rate, etc. Additionally, it can display 110 professional cycling data items, such as TSS, IF, NP, VI, and more to quantify your cycling capability in an all-round manner.     Features:  It features a 2.4-inch clear definition LCD screen with a super-wide 140° viewing angle and you will know necessary data at a glance.   Dazzling-proof and clear cycling data display, 30 pages can be customized, 2-8 data items can be set on each page, support to set up to 97 data options for each item.  It can display 13 categories of important cycling data, such as speed, cadence, heart rate, etc. Additionally, it can display 110 professional cycling data items, such as TSS, IF, NP, VI, and more to quantify your cycling capability in an all-round manner.  Supports 8 sensors connection, including cadence, speed, speed and cadence combined, heart rate, power meter, intelligent bike trainer, electronic shifting system and radars tail light.  Two different training modes design, you can choose according to your preference.  Free training on bike trainer mode: you can set the target power, resistance level, and gradient level upon your needs without any environmental interference.  Course training mode: easy to create training courses on the app and imports it to bike computers; connect to the intelligent bike trainer with one click to starts training.  Equipped with intelligent notification function, when it is paired with your mobilephone, you can be notified of mobilephone calls, messages, Email, Skype, WhatsApp and other messages in sync, and turn on/off all types of intelligent notifications as needed. (Purchase to unlock this function.)  Support connect to OnelapFit APP and get professional data analysis, it supports the setting, data synchronization, other functions, providing users with comprehensive and professional data management, analysis, and distribution.  It even supports 10 languages, EN, CN, KR, Espanol, DE, IT, FR, PT, NL, PO, allowing you to ride more smartly.    Specifications:  Name: C406 Pro GPS Bike Computers  Material: ABS  Color: black, red, blue (optional)  Battery: 1 * 3.7V, 1000mAh battery (included)  Display: 2.4inch LCD display  Data types Displayed: 110 data items in 13 categories  Number of Data Items Displayed on a S-ingle Screen: 2-8  Number of Data Pages Set on the Bike Computers: 30  APP Data Item Function: forty-six data items, and 16 charts  Waterproof Grade: IPX6  Working temperature: -10℃-50℃ (14-122 °F)  Wireless protocol: BT 5.