1、Broad Compatibility: The 45pcs sensor modules are commonly used ones and have wide compatibility with various micro controllers such as for Raspberry Pi. 2、45Pcs Sensor Module: Including sensor modules that can easily detect temperature, humidity, sound, light, infrared ray, motion, flame, vibration, etc. 3、Reliable in Working: High in both sensitivity and accuracy, the sensor board ensures stable working performance, which will also improve the efficiency. 4、Enjoy the Happy DIY: Suits perfectly for modification, development, and more, the sensor module kit will bring you more enjoyment and fun in the DIY. 5、Simple Installation: Comes with a compact size and a light weight as well, the sense module enables simple installation that can be finished in minutes. Item Type: Sensor Module Material: PCB Clock Module Battery: 1 x CR2032 battery, shipped with built in battery. Single Battery Capacity: 240mAh Use: Including sensor modules that can detect temperature, humidity, sound, light, infrared ray, motion, flame, vibration, digital touch, air pressure and many other commonly used sensor modules. 1 x Clock Module 1 x Soil Humidity Sensor Module 1 x Soil Moisture Module 1 x Soil Humidity Module Connecting Line 1 x Gyroscope Module 2 x Pin Header 1 x Memory Card Read and Write Module 1 x Power Module 1 x Water Level Module 1 x Ultrasonic Module 1 x Buck Module 1 x XY Rocker Module 1 x Cover 1 x Flame Sensor Module 1 x 3 Color Light Module 1 x Finger Heartbeat Module 1 x Light Cup 1 x Hall Magnetic Force Module 1 x Relay 1 x Linear Hall Module 1 x 3 Color RGB  Module 1 x 7 Color Flashing Module 1 x Switch Module 1 x 18b20 Module 1 x High Sensitivity Sound Module 1 x Human Touch Module 1 x Two Color LED Module 1 x Laser Emission Module 1 x Tilt Switch Module 1 x Analog Temperature Module 1 x Small Microphone Module 1 x Digital Temperature Module 1 x Small Two Color Module 1 x Key Switch Module 1 x Light Module 1 x Infrared Emission Module 1 x Tracking Module 1 x Active Buzzer Module 1 x Magnetic Reed Switch Module 1 x Vibration Switch 1 x Temperature and Humidity Module 1 x Infrared Reception Module 1 x Obstacle Avoidance Module 1 x Passive Buzzer Module 1 x Mini Magnetic Spring 1 x Rotary Encoder Module 1 x Analog Hall Module 1 x Knock Module Module 1 x Light Blocking Module 1 x Storage Box