Wireless cycle computer with backlight. The large readable display proves to be very effective when checking several travel parameters. dimensions: 7.8x5.1x1.8cm counter power supply: CR2032 (included) sensor power supply: CR2032 (included) non-invasive mounting on the boom Product packaged in plastic packaging, ready for shipping. Function: SPD speed ODO total mileage DST trip distance MXS maximum speed AVS average speed TM trip time TTM total trip time RAT ride time CLK clock (12H/24H) SW stopwatch Th thermometer MAX Th maximum temperature MIN Th minimum temperature TM UP trip time count up TM DN trip time count down TRIP UP trip distance count up TRIP DN trip distance count down CAL calories burned FAT fat burned Comparison with average speed speed unit setting sleep mode maintenance alarm wheel circumference setting manual mileage setting (ODO) manual total trip time setting low battery indicator automatic backlight wireless wake-up automatic on/off