1、6 in 1 Multifunctional: This professional air quality monitor measures PM2.5, PM10, particle numbers, temperature and humidity. 2、High Definition Screen: Bright color high definition LCD 2.8 inch digital display with wider color backlight gamut, better brightness, and higher pixels. 3、Stable Performance: Air quality monitor adopts imported electronic sensors and imported intelligent microprocessor, with high accuracy measurement and stable performance characteristics. 4、Compact and Portable: Air quality tester is small and portable, easy to carry, which does not take up too much space, and can be installed at home. 5、Wide Applications: 6 in 1 air quality monitor is suitable for offices, homes, gyms and other situations with a wide range of applications. Item Type: Air Quality Monitor Material: ABS Model: HT 9600 PM2.5 Sensor Principle: Photoelectric type Sampling Method: Pump suction type Light Source: Laser diode Particle Size Channel: 0.3μm 2.5μm 10μm Flow Rate: 1L per min Measuring Range: 0 to 1000μg per m3 Resolution: 1μg Detection Method: Manual Sampling Time: 50s Typical Accuracy: <20% Concentration Unit: Pcs./L, μg/m3 Temperature Range: 0 to 50℃ Typical Accuracy: ±1℃ Humidity Range: 0 to 99% RH Typical Accuracy: ±2% RH Working Temperature: -10 to 50℃ Working Humidity: 10 to 90% RH Stored Data: 1999 sets Automatic Shutdown: 2 minutes (no key operation) Power Supply: 1 x 3.7V18500 (1400mAH) (shipped with built in battery) Starting Current: 120mA Working Current: 280mA Display Mode: LCD numerical display, color backlight Screen Size: 2.8 inches Screen Resolution: 320 x 240 1 x Air Quality Monitor 1 x Storage Box 1 x Instruction Manual 1 x Plug 1 x USB Cable