This product is a simple and reliable measuring instrument that combines ease of use and performance, it allows you to track 3 key air quality factors: TVOC, HCHO、CO2 Features: 9 technological advantages: Higher accuracy, double thousand bit detection, constant temperature detection, software and hardware anti false alarm, algorithm anti-interference, four core operation, high-definition LED large screen, intelligent memory calibration, dry battery protection Sleep Manager: Detect sleep duration and environmental quality, master wake-up detection with one key. Fashion look: Acrylic mirror, dust-proof button, strong anti fog performance, outstanding color value, excellent function, fashion is not monotonous. Real time perception: Multi tuyeres control airflow movement, good contact response. Widely Useing: Widely be used in home, office, enterprise, government, school and car, etc. Specifications: VOC measurement index: 0.001-9.999 Display mode: HD LED display Test principle: semiconductor gas sensing principle Test items: formaldehyde, TVOC, CO2 Detection temperature: - 10 ° C ~ 45C Alarm mode: beep alarm Measurement method: sensor induction technology " Sampling mode: diffusion sampling monitoring mode automatic Power supply: battery 5 (not included) Working voltage: 2.4-3.0v Package weight: 170g/6oz Product size: 135 * 62 * 22mm/5.31*2.44*0.8in Packing List: 1*Tester
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