W17 Formaldehyde Detection Multifunctional 5 in 1 Air Quality Tester HCHO TVOC AQI CO CO2 Monitor Large Screen Monitor for Home

Good luck with your favorite purchasesW17 Formaldehyde Detection Multifunctional 5 in 1 Air Quality Tester HCHO TVOC AQI CO CO2Monitor Large Screen Monitor for Home Office Feature: Easily detect five major substances:  HCHO, TVOC, CO, CO2, AQI.. It can be used in multiple scenarios: home air detection, car air detection, maternal and infant room air detection, and public place detection. Environmentally friendly materials, more comfortable to use. The compact design makes it easy to place and pick up. Thousands of precision, more accurate detection. Continuously conduct air monitoring anytime and anywhere to ensure timely detection of air quality problems. LED LCD color screen display, intuitive reading. Scientific air duct design, more accurate measurement, full contact with air. 850mAh capacity battery, long-lasting battery life. The working time is about 300 minutes, and the Type-C socket can be powered on at any time. Specification: Input voltage: 5V Input current: 1A Charging time: about 3 hours Working time: about 300 minutes Warm up time: 120 seconds Built-in battery: Yes (can be used while charging) Battery capacity: 850 mAh Product size: 120*63*26mm Product weight: 110g Packing size: 177*87*37mm Package weight: 138g Special tips: 1. After the instrument is turned on, it needs about 30 minutes of good ventilation to use the instrument normally. 2. During charging, the red, orange and green indicator lights on the right side of the battery logo on the display screen will turn on alternately and cycle indefinitely until the battery is fully charged, and the green light will stay on after the battery is fully charged. Common sense and precautions for instrument operation 01. Please check whether the instrument is in good condition before use. 02. The instrument can only be tested and used after the startup data is stable. 03. The instrument needs to be warmed up for 120 seconds each time it is turned on 04. Doors and windows must be closed for indoor inspection to keep the indoor air flowing naturally.