Replaceable Battery 180 Hours Ultra-Long Standby Wireless Bike Computer LCD Auto Backlight for Cycling Realtime Speed Track

High-concerned chemical：None Automatic sleep：Y auto-pause：Y External devices：N Charging Interface Type：Other Waterproof Level：IPX7 Display Size：2.1 Display Color：Color Navigation：N Type：WireLess Model Number：BKV-1517 Stopwatch and Accessories：Stopwatch Battery Brand Name：Bikevee Origin：Mainland China Touch Screen：N Language：English Certification：CE,FCC,UL,weee

High-concerned chemical: None Automatic sleep: Y auto-pause: Y External devices: N Charging Interface Type: Other Waterproof Level: IPX7 Display Size: 2.1 Display Color: Color Navigation: N Type: WireLess Model Number: BKV-1517 Stopwatch and Accessories: Stopwatch Battery Brand Name: Bikevee Origin: Mainland China Touch Screen: N Language: English Certification: CE,FCC,UL,weee