E-Bike 24V-72V 4" LCD Colorful Display Power Speed Meter Gear Control w/NFC ACUS

NFC credit card. ·Optional functions: NFC. P02: unit of mileage. 0: KM; 1: MILE;. 2 NFC credit card. 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;.