Enhance Your Environment with Our Compact Air Quality Detector Ensure a healthy living and working atmosphere with our advanced air quality detector. Designed for versatility and precision, this compact and portable device is your reliable companion for monitoring air quality both at home and in various industries. Product Features: 2-in-1 Detection: Efficiently monitors formaldehyde levels and total organic volatile compounds (TVOCs) to assess air pollution, ensuring safety for your loved ones. High Accuracy: Equipped with a state-of-the-art gas-sensitive semiconductor sensor, it delivers real-time, accurate measurements with superior interference resistance and low power consumption. Intuitive Interface: Features an English backlight display with red/green indications, an easy-to-navigate menu, and sound prompt options. Flip to silent mode for discreet operations. User-Friendly Design: Large buttons and a comfortable grip ensure smooth operation. Includes power/auto shutdown features and temperature unit options. The silicone cover offers an anti-slip, anti-freeze grip. Rechargeable Convenience: A Type-C interface enables effortless charging. The built-in 3.7V 400mAh lithium battery offers long-lasting use with an easy-to-remove battery cover for quick access. Wide Applications: Perfect for residential use, as well as in chemical, furniture, and automotive industries. Gain insights into pollution sources and levels, and make informed decisions with reliable data. Specifications: Name: Air Quality Detector Material: ABS Sensor: Gas-sensitive semiconductor sensor Sampling Rate: 1s Automatic Shut-off Time: 5 minutes Battery: 1 x Built-in 3.7V, 400mAh lithium battery (included) HCHO Test: Measuring Ranges: 0.017-1.999mg/m³ Sensitivity: 0.020mg/m³ Response Time: 2s Warm-up Time: 200s TVOC Test: Measuring Ranges: 0.096-9.999mg/m³ Sensitivity: 0.100mg/m³ Response Time: 2s Warm-up Time: 200s Dimensions: Item Size: 182 x 27.6 x 20mm / 7.17 x 1.09 x 0.79in Item Weight: 80g / 2.82oz Package Size: 188 x 38 x 26mm / 7.40 x 1.50 x 1.02in Package Weight: 106g / 3.74oz Packing List: 1 x Air Quality Detector 1 x Silicone Protective Cover