Bike Computer And Bicycle Odometer Wired Mph Km/H Bike Speedometer With Product Features ?Multi-functions?Cycle Computer measures your riding data like Speed Average, Maximum and KM hour, Riding time and distance. Added new function like record calories statistics, temperature, etc. Small and portable, waterproof design, Exactly what any serious bicyclist or fitness fanatic needs to know about this bike accessories ?Day Night Backlight ?Provides backlight for easy viewing during dark hours. The backlight will turn on when You simultaneously press the "SET" and "MODE" keys to turn on the backlight manually, The brightness is very clear and does not irritate the eyes, which an effective function for crossing tunnels or dark paths ?IPX6?You may encounter bad weather such as rainstorm during cycling. Hilceriy speedometer for bike can completely travel in rainstorm (According to multiple test results that large-scale contact with rainwater in rainstorm may lead to inaccurate temperature function, which mean water temperature is measured instead of air temperature, the rest functions will work normally, bicycle speedometer will not be damaged in this case) ?Auto Wake-up Function?The bicycle computer will enter the standby sleep mode when there is no signal input for 3 minutes. When you touch the screen of the bicycle speedometer or start cycling, the bike odometer will automatically start working and, remember the values before the sleep mode and can also re-record the data according to your needs ?Applicable?Road bicycles, mountain bikes, folding bikes,and other common bicycles are compatible with this bicycle accessories. This bicycle computer MAY NOT be compatible with some electric-assist bicycles. If the computer display, sensor, and magnet can be installed within the specified distances device should be fully compatible. Hilceriy team will be ready to serve you Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!