Qooarker Accurate FormaldehydeHCHO Testing Monitor with LCD Display and Alarm Best for Car Indoor Outdoor Air Quality Detector

Description: HOCO is Colorless, poisonous, highly water-soluble gas with an obnoxious odor. Used in the manufacture of disinfectants, preservatives, and hundreds of industrial and consumer products such as adhesives, carpeting, decorative paneling, foam insulation, drapery, fiber and particle boards, and permanent press fabrics.It is greatly harmful to our health.Therefore,you do need a HOCO testing monitor. Specification: Sensor:Planar Semiconductor Gas Sensor Test Item:Formaldehyde Test Range:0-2.999mg/m³ Display Unit:mg/m³ Alarm:sound and light alarm Alarm point:Low alarm point 0.08mg/m³,high alarm point 0.15mg/m³ Battery Type:3AAA/7 alkaline battery(not included) Operating Temperature:0-+50°C Operation Humidity:15%-90%RH(non condensation) Please be noted: - It should do calibration before detection(after finish the initializing),please refer to user manual or send us message for assistance. - Testing result would be influenced when using it at low power. Package includes: 1 x Formaldehyde Detector 1 x Instruction