Features: 14 main functions Display: Two-line displays Durable and water resistant for use in all conditions Easy installation， good durability Powered by AG13 battery (not included) Easy to read LCD display， ideal companion for your riding Functions: 1. SPD CURRENT SPEED 2. ODO ODOMETER (0~99999) 3. DST TRIP DISTANCE 4. MXS MAXIMUM SPEED 5. AVS AVERAGE SPEED 6. TM ELAPSED TIME 7. CLK CLOCK (12H/24H) 8. SCAN 9. “+” “－” COMPARATOR 10. SETTING SPEED SCALE (km/h，m/h) 11. SETTING TYRE CIRCUMFERENCE (0mm～9999mm) 12. SETTIN THE LAST VALUE OF ODOMETER / ODO 13. FREEZE FRAME MEMORY 14. AUTO ON / OFF Specifications Power source: AG13 battery (not included) LCD display: 3 * 2cm Dimensions: 4.5 * 5.2 * 1.9cm Package size: 17.5 * 10 * 3cm Package weight: 63g Package Contents 1 * LCD bicycle computer 1 * Transmitter sensor 1 * Magnet 2 * Cable ties 1 * User Manual