intelligent electric bike LCD display battery indicator,speed ,mileage,distance ,3speed display all cable to controller Electric Bicycle ... anti-interference performance;Main functions: 1. Maximum display mileage99999.9km,display error.0.001, total mileage permanent preservation. ... meter is 999.9km,display error.0.001,number clears when restarting. 3. Digital display speed more indubitable and ...