Specification Brand : FTVOGUE BulletPoint1 : ARM CHIP: Adopting ARM chip, this detector has faster computation speed, more accurate detection, and smoother system. BulletPoint2 : ANTI INTERFERENCE: Using multi layer special glass fiber microporous filtering, effectively eliminating interference. BulletPoint3 : EXCELLENT HEAT DISSIPATION: The PM2.5 detector is equipped with cooling fan, providing excellent heat dissipation, greatly extending its service life. BulletPoint4 : STABLE AND ACCURATE: Using electrochemical principle to achieve monitoring, data processing algorithms are added to obtain stable and accurate data. BulletPoint5 : PLUG AND PLAY: User do not need to calibrate or preheat, you can use USB to power on and read once stable. ItemName : PM2.5 Detector, Indoor Air Quality Monitor PM1.0 PM2.5 PM10 HCHO CO2 Detector Temp Humidity Sensor for Home Office, Indoor Air Quality Meters ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 9 centimeters ItemTypeKeyword : indoor-air-quality-meters Manufacturer : FTVOGUE ModelNumber : FTVOGUE4ho2vczkr3 PartNumber : FTVOGUE4ho2vczkr3 ProductDescription : Specification: Item Type: PM2.5 Detector Material: Acrylic, PCB Model: communication model Screen: 2.8in LED Application: Home, car, office, outdoor 1. Power Supply: DC5V, Micro USB interface 2. PM2.5 Measurement Technical Indicators Measurement Range: 0-2048ug/m3 Display Accuracy: 1ug/m3 3. PM1.0 Measurement Technical Indicators Measurement Range: 0-2048ug/m3 Display Accuracy: 1ug/m3 4. PM10 Measurement Technical Indicators Measurement Range: 0-2048ug/m3 Display Accuracy: 1ug/m3 5. Temperature Measurement Technical Indicators Measurement Range: 0-50? Measurement Accuracy: ±2? 6. Humidity Measurement Technical Indicators Measurement Range: 20-90% RH Measurement Accuracy: ±5% RH