Pro Formaldehyde Tester Precise Indoor Detector Air Quality Testing Device, 501 Original

Pro Formaldehyde Tester Precise Indoor Detector Air Quality Testing Device Anti-Interference Carbon Dioxide Detector HD Display Formaldehyde AnalyzerFeature:1. High precision sensor for accurate detection of formaldehyde.2. Strong anti-interference and stability.3. Constant temperature detection and intelligent memory adjusting.4. LED large-screen HD display.5. Double thousand digit accurate display detection value.Specification:Flow range: 0-2.5 (L/min)Measurement range: 0-2.5 (L/min)Power supply: 2 X AA batteries (without batteries)Material: ABSSize: 120*55*22mm / 4.7*2.2*0.9inNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3mm measuring deviation due to manual measurement.1 X Air Quality Tester