16-piece accessory kit for your Raspberry Pi Great Kit with lots of Sensors and modules So you have everything you need for the entry For a variety of projects Saving price in a Set - Over 56% price advantage compared to buying the modules Included: 1 PCs DHT11 temperature and humidity sensor module 1 PCs HC-SR501 infrared sensor module 1 PCs DS1302 real time clock module 1 Piece Of Rain Sensor Module 1 Piece Of Sound Sensor Module 1 piece HC-SR04 ultrasonic sensor module 1 Piece Of The Sensor Module Fire Source Detection Flame 1 PCs KY-008 sensor module 1 Piece-Photoresistor Sensor Module Light Barrier 1 piece YL-69 soil moisture sensor module 1 Piece Obstacle Avoidance Sensor Module Black And White Line Identification 1 Piece-Vibration Sensor Module 1 PCs MQ-2 gas sensor module 1 piece of 315M wireless receiver module 1 Piece Tilt Sensor Module 1 piece of A channel TCRT5000 Tracing module