1led digital meter,electric bicycle meter 2.e-scooter parts 3.mechincal ... failure, brake handle failure, controller failure, undervoltage protection, cruise, charging display, brake display) 2. a phase signal, the Hall signal 3. stalls ... display, 3 speed 4. temperature display 5. power display 6. headlamps turn around display 7. speed display 8. instrument for the ...