This product is ideal assistant for bicycle training. It&#39;s multifunctional, including total mileage, single mileage, maximum speed, average speed, cycling time, temperature, stopwatch, calorie, fat consumption, estimated arrival time, cycle display, time display.<Br/>features:<br />bicycle odometer with lcd backlight.<Br />portable, durable and convenient.<Br />easy to read lcd display with large screen.<Br />easy to control, ideal companion for your bicycle.<Br />easy to install firmly with mounting accessories.<Br />perfect to use when hiking, climbing, riding and other outdoor actives.<Br />ideal assistant for bicycle training.<Br />time display function, also can be used as a wonderful gadget for traveling.<Br />multifunctional: total mileage, single mileage, maximum speed, average speed, cycling time, temperature, stopwatch, calorie, fat consumption, estimated arrival time, cycle display, time display.<Br/>specifications:<br />body color: black<br />backlight: blue light, greenlight, white light(optional)<br />screen size: 2.8 Inch<br />power supply: cr2023 battery, 3v 210mah (included)<br />item size: 80 * 54 * 18.6Mm / 3.1 * 2.1 * 0.7In<br />item weight: 130g / 4.6Ounce<br />package size: 158 * 82 * 43mm / 6.2 * 3.2 * 1.7In<br />package weight: 150g / 5.3Ounce<br/>package list:<br />1 * odometer<br />1 * bracket<br />1 * instruction manual<br />1 * transmitter