1.Smart NFC card,Swipe the card to turn the machine on and off, convenient and fast, sensitive induction, smarter to use.(Equipped with two NFC cards) 2.High-quality materials and ,High-quality ABS shell, strong and wear-, simple and beautiful design, can be used normally in temperatures of -20C-60C, daily waterproof (do not soak in water).Waterproof interface, simple plug-in and . 3.LCD color screen electronic display instrument,Color screen LCD electronic display instrument, beautiful colors, clear display,easy to observe data, better riding. 4.Universal handlebar diameter, easy to install,suitable for most bicycle and scooter handlebars on the market. 5.Good Replacement,This display panel is the perfect accessory for replacing old or damaged parts for electric bikes, scooters, etc. Please confirm that your electric controller also complies with the No.2 communication protocol before purchasing. Model: SL-YBX1-NFC5 Wiring: five-core Connector: Voltage: 24V/36V/48V Colour:Black&Orange Material:ABS+LCD instrument panel Package Contents: 1 pcs x meter 2 pcs x NFC cards Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.