KKmoon Air Quality Tester Monitor Mini Carbon Dioxide Detector for Formaldehyde CO2 HCHO TVOC LED Digital Display Formaldehyde Pollution Detector P

Features: Products make environmental protection materials, 3D arc surface semi transparent technology, harmless environmental protection have grade Precision instruments, double thousand precision to 0.001, precision production, core technology, excellent R & D strength, packaging quality. Intelligent memory with fine recording and scientific optimization function, memory effect has been greatly improved. Multi tuyeres control airflow movement, good contact response. Widely be used in home, office, enterprise, government, school and car, etc. Specifications: Detection range: 0.0002.88mg/m3(Formaldehyde ) Display mode: LED digital display Test principle: semiconductor gas sensing principle Test items: formaldehyde, TVOC Detection temperature: - 10 ° C ~ 45C Alarm mode: beep alarm Measurement method: sensor induction technology " Sampling mode: diffusion sampling monitoring mode automatic Power supply: 5 alkaline battery (AA) x2 (not included) Working voltage: 2.4-3.2v Package weight: 170g/6oz Product size: 120*55*22mm/4.72*2.17*0.87in Packing List: 1*Tester