Features Air Detection: This air quality monitor can test the PM2.5, 10, 1.0 and temperature, which will help you better monitor the living environment. Clear Display: Equipped with a large LCD screen, the digital dust particle tester with clear viewing is very convenient to read and operate. High Accuracy: Simple air detection can obtain data anytime and anywhere, while the quick calculation can output accurate measurement results. Fast Alarming: Moreover, you can the set upper and lower alarm thresholds, and the conspicuous red lighting alarming will warn you timely. Wider Utility: The air detector can be widely applied to microelectronics, pharmaceutical, biochemical products, accuracy machinery and more. Specification: Item Type: Air Quality Monitor Product Model: JMS13 Battery: 1 x 3.7V 1400mAH lithium battery, shipped with built in battery. Temperature Detection: -20-100 ℃ Display: VA LCD Display Screen Humidity Detection: 10-100.0%RH Temperature Detection Accuracy: ± 2 ℃ Humidity Detection Accuracy: ±5%RH PM2.5, 10, 1.0 Detection Module: Mie Scattering Pm2.5, 10, 1.0 Detection Range: 0-1000ug/m³ Package List:1 x Air Quality Monitor 1 x User Manual1 x Charging Cable Package List 1 x Air Quality Monitor 1 x User Manual 1 x Charging Cable