LED Display for Electric Bicycle: 1. 4-7 Volume Display, 2. 3-5 Levels PAS, 3. Fault Display 4. walk assiat ... Main Characteristics and Functions of the LED Display for Electric Bicycle. 1,Rated voltage 25-40 ... and Shift 5.7,Automatic Shut-Off of Display LED's and of bike ECU after 8-10 ... min of non use, the display Control Electronics switches to "standby" condition [Below 1 ...