ITEM NAME:LED Traffic Lights Sensor Module for Raspberry Pi Arduino Red, Yellow, Blue Description: - This is a mini-traffic light display module, high brightness, very suitable for the traffic light system model. - This module is very convenient for wiring. - Red, yellow and green LED light. - Compatible with Arduino microcontroller and raspberry pi system. Specification: - Material: FR-4 Epoxy glass fiberboard - Size: 7.9 X 6 X 1.1cm/3 x 2.4 x 0.4inch - Working Voltage: 5V - Interface: common cathode (red, yellow, green separate control) - Color: red yellow green - Input: digital signal output Package Included: 1 Piece Traffic Light Module.This is a mini-traffic light display module, high brightness, very suitable for the traffic light system model. 1 Piece Traffic Light Module. - This module is very convenient for wiring. - Red, yellow and green LED light.