1、Semi Closed Design: The home air quality tester is a semi closed design, with excellent heat dissipation performance, unique and beautiful appearance, more accurate detection. 2、Accurate Data: High sensitivity sensor ensures high accuracy data acquisition, smooth system, transparent acrylic shell, high light transmittance. 3、Digital Display: With digital display design, this air quality monitor is super easy to read and shows clearly real time data. 4、Long Service Life: Air quality monitor with small size, is easy to carry and store, easy to use, good performance. It will always take care of you and your family health. 5、Wide Application: Used for PM5, temperature, humidity, perfect for helping us understand the air quality in homes, cars, offices, etc. 1 x Air Quality Monitor1 x English Instruction 1 x Data Cable  Item Type: Air Quality MonitorMaterial: Acrylic Housing, Electronic ComponentsWeight: Approx. 179g / 6.3ozPM 2.5 Accuracy: ±10% at 100-500 ug/m³PM10 Range: 0-2048 ug/m³Product Size: Approx. 8.4x 6.5cm / 3.3x 2.6in