Features:- Take your cycling to the next level with this bicycle computer with built in speedometer, timer, odometer and calorie tracker.- Wireless transmission between the sensor and unit without wire hassle.- Backlight screen display allows you to see bike trip information as current, max or average data readings.- Features a resilient, water resistant, electrical insulated design that can withstand the different elements of nature that cyclists must endure during cycling trip.19 Functions:Speedometer ( SPD ): 0 - 99.9 km/h or m/hAverage Speed ( AVS ): 0 - 99.9 km/h or m/hMaximum Speed ( MXS ): 0 - 99.9 km/h or m/hSpeed TendencySpeed Comparator: ( + or - )KM and M SelectableOdometer ( ODO ): 0 - 99.9 km/h or m/hOdometer ( DST ): 0 - 99.9 km/h or m/hTrip Timer ( TM ): 9 : 59 : 59Digital Clock: 12 / 24 hours selectableAuto ScanAuto Power OffAuto Start / StopCaloriesFat BurnedFree Frame Memory ( TM and AVS )Deg.C and Deg.F SelectableMaintenance ProgramEL BacklightParameters:Material: ABS and staliniteComputer Power: 1 x CR2032 battery ( included )Transmitter Battery: 1 x CR2032 battery ( included )Transmission Range: less than 70cm / 27.56 inches Display: LCD HTNHow to Set Up:1. Install batteries for computer and sensor2. Install the bracket seat and set the computer3. Mount the sensor onto the front fork4. Mount the magnet onto the steel wire of the same side wheel5. Check installationPackage weight: 0.130 kg Package Size(L x W x H): 16.00 x 7.50 x 5.00 cm / 6.3 x 2.95 x 1.97 inchesPackage Contents: 1 x Computer Unit ( Battery Included ), 1 x Transmitter ( Battery Included ), 1 x Magnet, 1 x Spoke Clamp, 1 x Pad, 4 x Tie, 1 x English Manual