Feature: 1. LARGE SCREEN DISPLAY: The detector has a large LCD screen, seven functions of all round detection, high end laser infrared sensor 2. FLEXIBLE CONTROL: The air quality monitor can control the fresh air system to realize automatic ventilation, humidification and dehumidification 3. CLEAR INDICATION: The air quality tester indicates air quality and temperature and humidity levels through color grading, which can be seen from a distance 4. ACCURATE SENSING: The detector adopts excellent industrial sensors, and the data is determined to 1, so that the air detection is more accurate 5. WIDELY USED: Air monitor can be used in home, kitchen, bar, restaurant, office, warm and wet greenhouses, etc. Specification: Item Type: Indoor Air Quality Monitor Model Number: PT02 Color: White Material: Fireproof ABS Product Voltage: AC100-240V Super Large Display: 7in LCD screen Detectable: Carbon dioxide, humidity, temperature, TVOC, PM2.5, PM1.0 Temperature Detection Range: -20℃~60℃; ±2℃ Humidity Detection Range: 5%-95% RH; ±5%RH CO2 Detection Range: 400~5000ppm, Accuracy: 1ppm CO2 Detection Accuracy: ±50ppm or ±5% reading TVOC Detection Range: 0~20mg/m³ PM1.0 Detection Range: 0~500μg/m³ PM2.5 Detection Range: 0~500μg/m³ Operating Temperature: 0℃-50℃ Operating Humidity: 0-95%(non condensing) Output Cable: RS485 Application: For Tuya smart app Uses: Home, kitchen, bar, restaurant, office, warm and wet greenhouses, etc. Input Voltage: DC 5V 2A. Package List: 1 x Detector1 x Adapter3 x User Manual