1. Data display: Display riding speed, single mileage and accumulated mileage, riding time, power-assist gear, motor power and temperature, battery voltage and charging status, status and ambient temperature, etc. 2. : truly reflect the battery power, consumption in real time, and the riding mileage; 3. Gear setting: Multi-gear switching and power-assisted gear are automatically saved, and the power-off gear status can be restored when the power is turned on; 4. No noise, no vibration, soft and comfortable driving, more stable, higher efficiency, lower power consumption and longer life. Set and adjust operating modes such as speed limit parameters, power parameters, power assist control parameters, minimum voltage and maximum current parameters of the controller; 5. Data viewing: users can view historical driving data and clear them accordingly, view single or cumulative riding time, riding mileage, single riding maximum speed, average speed; Material: metal+plastic colour: As shown Package Contents: 1 x KT-35A controller 1 x LCD8SLCD display 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.