Article No.: cc300 / cc400   Brand: geoid   Package size: 13.7 * 3 * 11cm Specifications: 1.【CC300】18 optional data items in 7 categories and 20 configuration items 2.【CC400】29 optional data items in 9 categories and 25 configuration items . 3.【Better】Compared with brands in the same price range， .CC400 & CC300 support the MOST DATA ITEMS and the FIRST BIKE COMPUTER that support lap counting function 4.【CC400】A better choice that supports sensor devices with ANT + and Blutooth dual protocol； Supports connection to speed sensor ,cadence sensor . heart rate monitor and speed & cadence combined sensors； Saves speed & cadence combined sensor ,and 3 of each kinds of sensors； 5.【Four Positioning System】 Support GPS , Beidou , Galile , and Glonass global navigation systems Package Included: 1 * code meter, 1 * charging cable, 4 * rubber ring, 1 * code meter rear seat