Model No Quantity 1 Color Red + black Material FR4 Features Supports for smart car which is controlled by a microcontroller you can modify the program under the control of the program be able to move freely automatic car to perform a specific function. It combines computer technology software programming automatic control and sensor technology; Car tracking refers to the car to follow the black line on the white floor walking usually take infrared detection method Specification Sensor adopts TCRT5000; Sensing distance: 10mm; Working voltage: 5V Application Smart car development English Manual/Spec Yes Packing List 1 x Module board 1 x English user manual