Item Type: Sensors Modules Kit Material: Resin DS1302 Clock Module Battery: CR2032 Button Battery 240mAh (Shipped With Built-In Battery) Purpose: Suitable for Electronic DIY Users, Laboratory Use, Widely Used in Various Electronic Circuit Development Boards 1、This package includes 45 kinds of sensor modules, a variety of options, complete functions, to meet your different needs. 2、High quality resin material, durable, comes with a storage box, which is light and convenient for neat storage. 3、A storage box is provided for storage, which is convenient to quickly get the accessories you need and save the time of searching. 4、Suitable for electronic DIY users, laboratory use, widely used in various electronic circuit development boards. 5、Professional manufacturing, no need to worry about not being matched, enjoy the happy of DIY electronics. 1 x Infrared Sensor Receiver Module 1 x Laser Head Sensor Module 1 x Temperature And Humidity Sensor Module 1 x Infrared Emission Sensor Module 1 x 5V Relay Module 1 x Obstacle Avoidance Sensor Photoelectric Switch 1 x Finger Detect Heartbeat Module 1 x Microphone Sensitivity Sensor Module 1 x Metal Touch Sensor Module 1 x Flame Sensor Module 1 x 3-Color LED Module 1 x Hunt Sensor Module 1 x Linear Magnetic Hall Sensors 1 x Rotary Encoder Modules 1 x Active Buzzer Module 1 x Magic Light Cup Module 1 x Small Passive Buzzer Module 1 x Digital Temperature Sensor Module 1 x Mini Magnetic Sensor 1 x Photo Breaker Module 1 x Bicolor LED Common Cathode Module 3MM 1 x Mercury Switch Module (2 Pcs) 1 x Holzer Magnetic Sensor 1 x RGB LED SMD Module 1 x Mini Reed Module 1 x Tilt Switch Module 1 x Colorful Automatic Flashing LED Module 1 x Key Switch Module 1 x Photoresistor Module 1 x Vibration Switch Module 1 x Tap Sensor Module 1 x Temperature Sensor Module 1 x Analog Hall Magnetic Sensor 1 x Microphone Sound Sensor Module 1 x Large Reed Module 1 x Two Color LED Module 1 x Breadboard Power Module 1 x Ultrasonic Module 1 x MP1584EN Step-Down Module 1 x Storage Card Reader Module 1 x Gyroscope Module 1 x Soil Module (2) 1 x DS1302 Clock Module 1 x Water Level Module