Features: 100% Brand New. Weight: 65g with Accessories Size (Computer console):4.5 x 4.5 x 1.7cm Color: Black Small， light， easy to install Water proof Compact and slim design Handy， Compact， Portable and Convenient Scan - Screen display varies among DST， MXS， AVS， and TM every 4 seconds Time display function， also can be used as a watch Wonderful gadget for traveling Easy to install， easy to read LCD display， ideal companion for your bicycle Effectively help you to track your progress and improve your stamina Power:1x 23A 12V Battery for Sensor transmitter (included)， 1x CR2032 3.0V for Bike Computer (included) Note: The wheel magnet and the sensor bracket， should maintain the 3-5mm sensing distance.Functions: SDP: CURRENT SPEED ODO: ODOMETER(0.001-99999KM/M) DST: TRIP DISTANCE MXS: MAXIMUM SPEED AVS: AVERAGE SPEED TM: ELAPSED TIME CLK: CLOCK (12H/24H) SCAN "+""-" COMPAPATOR SETTING SPEED SCALE(KM/H.M/H) SETTING TYRE CIRCUMFERENCE:(0MM-9999MM) FREEZE FRAME MEMORY AUTO: ON/OFF WIRELESS TRANSMISSIONPackage Content: 1 x Wireless LCD Bike Bicycle Computer Odometer Speedometer 1 x Mounting shoe 1 x Wheel magnet 1 x Universal sensor bracket 1 x CR2032 1 x 23A 12V Battery