New W17 High Quality Multifunction 5 in 1 CO/CO2/HCHO/AQI/TVOC Air Quality Monitor Indoor Gas Detector

Boot preheating 120 Seconds. Operating voltage 5V. Battery capacity 850 MA. Charging time About 3 hours. Product Description. Model Number. HYT054. Product size. 120X63X26mm. Boot preheating. 120 Seconds. Operating voltage. 5V. Battery capacity. 850 MA. Charging time. About 3 hours. Working time. About 300 minutes. Weight. 150g. Measuring gas type. CO/CO2/HCHO/AQI/TVOC. General knowledge and precautions of instrument operation. 01. Please check whether the instrument is in good condition before use. 02. Test and use the instrument only after startup data is stable. 03. The instrument needs to be preheated for 120 seconds each time it is turned on04. Doors and Windows must be closed for interior inspection to maintain natural indoor air circulation. 05. The test time of the instrument is about 10-60 minutes, and about 3-15 minutes in small Spaces such as cabinets and drawers). 06. Long-term monitoring is recommended. Real-time data is unstable. Refer to the average value of the detector