No failure time: 3 (Y) Note: The consistency data of the particle concentration is the data in the communication protocol 2 (test conditions: 25 2 , 50 10%RH). Types of particulate matter detection: PM1.0, PM2.5, PM10 Granular particle size range: 0.3-10 Micrometre (um) Granules quality concentration range: (PM2.5 standard value) 0-1000 Mini /bit square rice (/m) Personal quality concentration resolution Mini /bit square rice (/m) Granules quality concentration consistency 10%(@100 ~ 500 g/m) (PM2.5 standard value)xNote 10 g/m3 (@0 ~ 100 g/m) Single response time: 1 Second (s) Comprehensive response time: 10 Second (s) DC power supply voltage: 5.0 Volt (V) Working current: 85 Mia (MA) stand-by current: 45 Wei'an (A) output : Urt storage temperature: -30 ~+80 Degrees Celsius () range of working temperature: -20 ~+70 Degrees Celsius () Working humidity range: 0 ~ 99%RH (None condensed) Millimeter (mm) Material: Metal colour: As Shown Package Contents: 1 x Particle Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.