24V-72V E-bike Electric Bike 4" LCD Display Speed Meter Control Panel with NFC

NFC credit card. ·Optional functions: NFC. 2 NFC credit card. P02: unit of mileage. 0: KM; 1: MILE;. Range: 1-255;. 0-3 mode: 0-3 gear; 1-3 mode: 1 gear to 3 gear, no 0 gear;. 0-5 mode: 0 to 5 gear, 1,5 mode: 1 to 5 gear, no 0 gear;.