It's easy to operate,we keep the most important part to make the air quality monitor more efficient.
It's convenient to carry, such as home, car and office.

Mode I : JSM-136
Display: LCD screen +LED Display light
Size: 5.1x3.3x2inches
Weight: 8.5 ounces
Batteries: 3pcs set of AA batteries
Voltage: 5V

Product function parameters:
PM2.5: 0-500ug/m3; Precision: 1 ug/m3
PM10: 0-999 ug/m3; Precision: 1 ug/m3
HCHO: 0-99.99 mg/m3; Precision: 0.001 mg/m3
TVOC: 0-99.99 mg/m3; Precision: 0.001 mg/m3
Temperature range: -15-50°C
Humidity: 15–90%HR

The contents displayed on the screen:TOVC, Formaldehyde, PM2.5,PM10, Methylbenzene(i's included in the TOVC test),Humidity,Temperature,average record,time,exceed the standard alarm.

Package including:
1 * Air quality monitor
2 *Three section battery
3 * English user's manual

Tips: After using this detector boot need 120 seconds is timing monitor preheating process, users need to be patient. Preheating is limited to HCHO/TVOC sensor. After the first use the boot after 120 seconds preheating,such as testing data on the high side,floating up and down,0.000 or 000 belongs to the normal,please move the monitor to the air flow is benefit or air quality good place 1-3 hours, monitor returned to normal after safety data is used,also can be manual calibration instrument or instrument data reset after use.