Цифровой формальдегид частицы дома стоящий USB порт для CO2 PM2.5 перезаряжаемый офисный монитор качества воздуха ЖК-Дисплей Точный

Features:
High accurate indoor and outdoor air quality monitoring system with professional grade detection technology.
It is multi-functional, whihc can detect HCHO/TVOC/CO2/ PM2.5/Temperature/Humidity, can also set and diaplay time,alarm clock,and calendar.
Large LCD display with backlight, convenient for your reading anytime.
Rreal-time local outdoor air quality readings and real time gas monitoring to prevent any respiratory disease.
Suitable for using in the car, living room, house with new furniture, office, classroom, outdoor environment etc.
Specifications
Model: GSM-136
Shell Material: Plastic
Color:White
Size(L x W x H): about 127 x 85 x 50 mm
Display mode: LCD LCD(color screen)
Error Floating: 3-30 percent
Working Voltage: 5V
Start-up preheating: 120 seconds (only:for maldehyde, TVOC, CO2 sensor)
Battery: built-in battery(rechargeable)
Battery capacity: 1000 mA
Charging time: about 4 hours
Standby time:about 240-360 minutes
Detection range: PM2.5
Package Include
1 Pc x Air Quality Monitor
1 Pc x User Instruction
1 Pc x USB Charging Cable
Note:
Please allow 0-1 cm error due to manual measurement. please make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.