Офисное больничное перезаряжаемое школьное устройство для контроля состояния аккумулятора цифровой для помещений и улицы профессиональный детектор домашний Автомобиль

Description:
Applicable for many occasions, office, home, garden, in-car, etc. Keep track of the air quality around you.
A special and exact air duct design ensures the air flow per 30 seconds keeps at 283ml to make sure the test is correct and stable.
With built-in 1200mAH lithium cell, and it can also charging by cell-phone charger.
The fan with low noise makes the product quitely when it is in use.
Charging is going on when the red light is on.
Charging is finished when the red light turns green.
Specification:
Display Mode: LED display
Built-in Battery: 1200mAh
Humidity Range: 20%-85%.
Working t Temp:-20 - 50 ℃.
Size:75*75*46mm
Test result guidance：
Air quality grade PM2.5 Value
Excellent 0~35μg/m³
Good 35~75μg/m³
Slight pollution 75~115μg/m³
Middle level pollution 115~150μg/m³
Severe pollution 150~250μg/m³
Serious pollution More than 250 g/m and above
Package Includes:
1pc*Air Quality Monitor
1pc*Wiper
1pc*Manual
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-2 cm differences due to manual measurement.