【IP66 Dustproof and Waterproof】Powered by AA battery, on account of its IP66 waterproof function, our wireless bike computer not only can be soaked in water but be of dust prevention. Therefore, even on a rainy day please don’t be afraid of the data errors caused by an unexpected rain. Enjoy your carefree riding trip! Note: To protect your odometer well, please do not soak it in the water for a long time; and dry it as soon as possible after you finish your riding on rainy day【Distinctive Touch Technology】Just a slight touch can start or close backlight mode, resulting from our distinctive and efficient touch technology. Once the backlight mode is triggered, it can always be on in ways that you can check the latest sport data anywhere, anytime. What a great companion for your night riding【Advantageously Long Induction Distance】Are you still worried about whether the bike computer can be use for your indoor cycling? Take it easy! Our compact bike computer (75.2 x 48.4 x17mm) exerts a wireless induction distance of 100cm which is much longer than ordinary one. So it's still sensitive enough to accurately measure the real-time data while you mount it on the rear wheel. Note: Only suit for bicycles over 16 inches with standard 2mm spokes【Long-lasting Battery Life】Our bike computer is of lower power consumption, which can last for at least 8 months, quite durable. Additionally, there will be a low battery reminder in case your momentary forgetfulness. Please note that the previously stored data will be automatically cleared once the battery is replaced, but the shutdown will not affect the data storage【A Variety of Functions】Besides its easy operation, our bike computer has manifold practical functions including real-time/average/maximum speed, odometer, trip distance, temperature, trip time, timer, calories, fat burned and kilometer to mile, which can significantly match your daily riding needs. 6 kinds of interfaces can be switched at any time as you want. Thus, you can instantly get your current riding status