Multifunctional air quality detector JMS11 formaldehyde CARBON dioxide temperature and humidity detection







Formaldehyde detection: through the principle of semiconductor gas sensors.
TVOC detection: through the principle of semiconductor gas sensors.
Sound and light alarm: the LED lights red , yellow, and green respectively represent: Poor, Normal, and Excellent. When the air
quality is poor, the buzzer will alarm.
Power reminder: By 3 LED lights to display the remaining powers.