The first picture is a product picture, the other pictures are sample displays Description: MEILAN is a professional outdoor sports electronic brand; We are committed to providing cool and intelligent outdoor electronic products for outdoor enthusiasts around the world, such as GPS riding code meter, speed treadmill and so on; Through our ecological hardware, APP and related accessories, our vast number of users can realize navigation, record and share the movement course wirelessly with APP.  Meilan makes everyone\'s outdoor sports experience more interesting, smarter and more fun. We are one of the leaders in the field of code watches. Just buy ours! We are professional in bicycle meter industry. GPS global positioning, with an accuracy error of less than 5 meters, supports Beidou, GPS and GLONASS positioning systems, which is more trustworthy.  Backlight adjustment in the first gear can be seen clearly in the sun. MEILAN M3 supports viewing 9 items of data: total mileage, maximum speed, average speed, current speed, altitude, riding distance, total distance, riding time and total time USB charging lasts for 8 hours to meet the needs of most people. IPX5 rainproof level is actually only higher, so you can ride in the rain. We are a genuine business, our brand has its own factory, our product error rate is less than 0.3%, and after-sales service is absolutely assured. If you have any questions, you can feed them back to our customer service staff, which will solve them for you as quickly as possible and better. Specifications: Brand: MEILAN Product: MEILAN MINI (M3) wireless bicycle code meter Colors: black, white and red Material: composite material Battery: 400mah Charging method: USB Endurance time: 8 hours Waterproof grade: IPX5 (actually higher) Is there an APP: yes Is there a patent: yes Package Included: 1* code meter 1* bracket 2* strap 1* instruction 1*USB cable