Description: The sensor kit is great for beginner's project. With this kit, including Sound and Obstacle avoidance sensor, temperature and humidity sensor, ultrasonic, A tracing module and infrared human body induction sensor etc. you can get your more idea into real action without the restriction of hardware and software. Features: Those sensors will often being used in the beginner's project. It includes Sound and Obstacle avoidance sensor, temperature and humidity sensor, ultrasonic, A tracing module and infrared human body induction sensor. For control board not included. This is a good Starter Leaning Kit for RPI and it is a good value of money than our othe Kits, this kit contains 16 kinds of different electronic components. With this kit, we will take you from knowing to utilizing, you are able to do more experiment, get your more idea into real action without the restriction of hardware and software. This is a Starter Leaning Kit including bulk of components, electronic modules(for Rasp Pi not included) that are common-used during for RPI experiment. Specifications: Number of Sensor: 16 Package Weight: 140g Package List: 1 x ultrasonic sensor 1 x human infrared sensor module 1 x Tilt sensor module 1 x Photoresistor sensor module photoelectric sensor 1 x MQ-2 gas sensor module 1 x Obstacle avoidance sensor module 1 Vibration sensor module 1 x Sound sensor module 1 x One channel TCRT5000 tracing module 1 x Flame sensor module fire source detection 1 x KY-008 laser sensor module 1 x DS1302 real-time clock module 1 x 315M super regeneration of 315M wireless transceiver module 1 x temperature and humidity sensor module 1 x Rain sensor module 1 x YL-69 soil moisture sensor module . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.