3-in-1 Portable Formaldehyde Detector USB Charging Intelligent Air Quality Monitor for AQI HCHO TVOC

Features: The measured value exceeds the standard the buzzer sounds prompt; the low pressure alarm prompts. Good touch non-toxic environmentally friendly and durable. Strong anti-interference and more accurate detection. Large electronic screen clear display easy to read. Sturdy and resistant to falling easy to operate and easy to carry. Suitable for new furniture and decoration living room new car etc. Power supply USB charging 1000mAh large capacity lithium battery. Specifications: Name: 3-in-1 Air Quality Detector Power mode: USB powered Battery power: 1000mAh lithium battery Power connector: Mini USB 5V Testing items: HCHO TVOC AQI Measurement accuracy: 0.001 Flow range: 50-150m2 (L / min) HCHO range: 0.000~1.999 mg / m3 TVOC range: 0.000~9.999 mg /m3 AQI range: 1-6 Size: about 140*40*36 mm/5.51*1.57*1.42in Package List: 1*Air Quality Detector 1*Charging Cable. 1*Instruction Manual