Formaldehyde Detector Household PM25 Indoor Professional Air Quality Monitoring

Product information:
PM2.5 concentration display range: 0 ~ 999ug/ m3
Formaldehyde concentration display range: 0~1.999mg/m3
CO2 concentration display range: 0 to 5000ppm
Temperature display range: 0~50°C
Humidity display range: 0 ~ 100% RH
Maximum detection distance of human movement: 3 meters
Display mode: 7-inch color screen
Product Size: 208.0*134.5 * 130.0mm
Product Weight: 565g
Working environment: 5-45°C,< 90% RH
Storage environment: 0-50°C, < 90%RH
Battery capacity: 2200mAh lithium battery
Charging Interface: Micro USB
Input: 5V/2A
Charging time: about 5 hours