Starter Kit Pro Plus with Genuine Arduino Uno R3 Includes an HC-SR04 ultrasonic distance sensor, an HC-SR501 PIR Motion Sensor, a sound sensor module, 9V PSU, remote control, relay board Includes 433Mhz transmitter and receiver a 4 digit LED display, a LED matrix and a whole lot more Genuine Arduino Uno R3 included Getting Started with Arduino Included Online Tutorials for everything included