Quimat QK18 Hc-sr04 Ultrasonic Distance Measuring Sensor Module 5pcs for Arduino UNO Mega R3 Mega2560 Duemilanove Nano Raspberry Pi B+Robot Upgraded Super Starter Kit, designed specially for those beginners who are interested in Arduino. Free Tutorials, all the tutorials are free provided in a CD or contact with us by email to get documents Upgrated version: 44 PCS components with power supply module, 9V battery with DCand one more LED Thermistor Touch sensor module than earlier version. The UNO R3 board, Breadboard, HC-SR04 module and 1602 LCD display with pin header(no need to be soldered by yourself) are included High quality Arduino UNO R3 perfectly compatible.100% compatible with Arduino UNO R3, MEGA 2560 R3, NANO, Arduino kit