main featureThe stopwatch has a bright white light display at night, with high brightness, average light source, and soft light. It has a wide influence in professional teams and is cost-effective;With A car/B car data selection, two kinds of wheels can be set at the same time, two sets of data;Dual-line four-window display, easy to view data, no need to adjust buttons frequently;Using high-capacity lithium-manganese batteries, one battery is equivalent to 4.3 ordinary batteries;Silicone button; paint coating, generous and high-grade;Easy to install and easy to set up; the meter head is designed to be separated, which can be detached at any time and carried with you.The meter head can be rotated, which is convenient to install the horizontal/vertical handle;The main functionDynamic display of mileage, riding time, real-time speed, travel time, calorie consumption, current time, current date;Check the fastest speed, average speed, total driving time, total driving mileage, current temperature, inside the car, wheel revolutions per minute at any time;With luminous function, high-grade and high-brightness cold light source is adopted, so that you can check the information of riding at night at a glance;With metric/imperial unit selection, it is suitable for the hobbies of different users at home and abroad;Battery low voltage prompt, allowing you to keep abreast of the work of the computer at any time;Vehicle refueling/maintenance tips to ensure your car has the best performance and life;With 12/24 hour system, Celsius/Fahrenheit temperature unit selection, perpetual calendar function, make you travel more confident;Wide range of application, suitable for 4"-40" bicycles/electric vehicles, even motorcycles;Dynamic indication of acceleration and deceleration, grasp the speed change at any time;Adopt imported sensor, stable performance, accurate speed and ultra-wide working temperature;Ambient temperature display, clock function;Auto shutdown functionFashionable exterior light design, rainproof design, portable and easy to disassemble;Quantity: 1 pieceSize: 46*54*23mmColour: Black