Rechargeable Air Quality Monitor Sensor Gas Detector Temperature Meter PM2.5/PM10/TVOC Detector Household Analyzer

Features The high quality sensor ensures accurate detection data The measurement range of laser particle concentration sensor is up to 0 3 m Single response time 1s and integrated response time 10s Lighting Warning The color of breathing lamp changes according to color of the current air quality level and the speed also changes with the air quality level Sound Warning when the current PM2 5 level of air quality is serious pollution i e 250ug m3 the device will give an alarm warning sound note the alarm warning sound can only last 3 times and will not be reminded after that and only when the PM2 5 level is higher than 250ug m3 again will the alarm sound be reminded again 1000 mAh polymer lithium battery Equipped with dual protection circuit of overcharge and overcurrent it is rechargeable and It has a long standby time with a endurance of up to 4 hours in summer 25C test ambient temperature and 2 hours in winter 5C test ambient temperature Specifications Materials plasticselectronic componentsLithium battery capacity 1000mAhStandard charging voltage 5 0 0 5vPower supply voltage DC 4 5 minimum voltage 6V maximum voltage Display 1 4 TFT full color LED backlit LCDOperating temperature Topr 1050℃Storage temperature Tst 2060℃Working humidity 5 80 RHStorage humidity 5 95 RHPM2 5 measuring range 0 1000ug m standard value above 1000ug m subject to actual measurement TVOC measuring range 0 00mg m 2 50mg mDisplay resolution