USB Luminous LCD Rechargeable Bicycle Computer Wired Speedometer - Road & Mountain Bike Cycling Odometer Speed Counter

High-concerned chemical : none Automatic sleep : Y auto-pause : N External devices : N Waterproof Level : IPX6 Display Size : 3.0 Display Color : Black and White Navigation : N Type : Wired Model Number : MB668 Stopwatch and Accessories : Temperature Testing Stopwatch Brand Name : HOMEFISH Origin : Mainland China