The is one of the most popular LCD displays used in the aftermarket electric bike (e-bike) conversion world. Manufactured by Kunteng (KT), this display is the control center for many sensor-based controller setups, particularly those using torque simulation (T_Sensor) and speed sensors.
Slide the KT 70 unit into the tray until the connector mates. Secure the unit with the front lockdown screw. 4.0 Electrical Wiring and Interfacing Kt 70 Installation Manual