Features1Track and display speed,time,distance and multiple datas in data instantly. 2LCD screen for clear reading during Cycle. 3Rainproof body allows for rainy day riding. (Do not soak into water for long time) 4Rainproof body allows for light rainy days. (Do not soak into water for long time) 5Made of ABS material,durable and practical. 6The assembly is very easy and it requires no tool.SpecificationThe Bicycle Computer with functions is ideal for Cycle enthusiasts. Features:Track and display speed,time,distance and multiple datas in data instantly. LCD screen for clear reading during Cycle. Rainproof body allows for light rainy days. (Do not soak into water for long time) Made of ABS material,durable and practical. The assembly is very easy and it requires no tool. Functions:SPD: Current Speed ODO: Kilometer Counter DST: Trip Distance MXS: Maximum Speed AVS: Average Speed TM: Elapsed Time CLK: Clock "+" "-" Comparator Speed Scale (km/h,m/h) Set Tires Outline: 0mm-9999mm Set The Last Value of Coilometer Counter/ODO Auto ON/OFF Alert Maintenance Specification:Material: ABS Size: 5.0*4.5*1.5cm/2.0*1.8*0.6in Power source: 1* 1.5v 80mAh LR1130 battery (included) Package weight: Approx. 65g/2.3oz Package List:1* Bike Computer 1* Mount 1* Sensor 1* Magnetic Screw 6* Fixed Straps 1* LR1130 Battery 1* Instruction NOTE:Please test the bike computer which should be installed on the mount with the magnetic screw,if there is no any data display,pleasecontact our customer service.Package List1* Bike Computer 1* Mount 1* Sensor 1* Magnetic Screw 6* Fixed Straps 1* LR1130 Battery 1* Instruction NOTE:Please test the bike computer which should be installed on the mount with the magnetic screw,if there is no any data display,pleasecontact our customer service.