Digital Formaldehyde Detector TVOC Meter Indoor Home Room Gas Air Quality Tester

Specification Surveillance project Formaldehyde and benzeneDetection Principle semiconductor sensorTest range 0 000 1 999mg m formaldehyde 0 000 9 999mg m TVOC Display mode HD LCD Display screenTemperature 20℃ 70℃Battery 2 x AA Batteries NOT included Working voltage 2 4 3VNet weight 150g Packge included 1 x Formaldehyde detectorDetail Pictures