1、[Accurate HCHO Detection] The assembled HCHO temperature humidity detector can accurately detect indoor HCHO levels to guard family health and well being. 2、[Comprehensive Monitoring] The device can also measure indoor temperature and humidity levels, providing real time insights into environmental changes for enhanced comfort. 3、[Clear Display] Featuring high definition organic light emitting diode screen, this HCHO temperature humidity meter displays detection data clearly and intuitively. 4、[Skill Enhancing Design] With a sophisticated design that combines fun and practicality, this kit not only entertains but also improves actual soldering skills. 5、[Versatile Application] Ideal for homes, schools, and other indoor settings, this kit is a useful environmental testing instrument that fits a wide range of applications. Item Type: HCHO Temperature Humidity Detector Material: ABS Plastic 1 x SMT IAP15W413AS Microcontroller 1 x SMT Active Buzzer 1 x Temperature and Humidity Sensor 1 x HCHO Sensor SH20 1 x Organic Light Emitting Diode Screen 3 x White SMT Button 1 x SMT Electrolytic Capacitor 16V 1 x 2 Pin Plug in for Android Power Socket 1 x SMT Transistor 3 x SMT Capacitor 104F 3 x SMT Resistor 1K 2 x SMT Resistor 4.7K 6 x M3x6 Screw 4 x Copper Pillar 4 x Plastic Copper Pillar 1 x PCB Board 1 x Acrylic Shell 1 x for Android Power Cord 1 x Small Plastic Box