Roeam 3-in-1 Multifunctional Air Quality Detector Indoor/Outdoor CO2 Meter Temperature Humidity Monitor CO2 Tester with 65534 Groups Data Logger 3.5-inch Colored Digital Display

Useful air quality detector with quick response and high precision to test CO2 content in the air that surrounds you, and real-time display time, date, temperature and relative humidity.

Features:
Data Logging Function: with up to 65,534 groups maximum storage management space, convenient for browsing the historical data saved by the system.
Semiconductor Sensing Detection Technology: monitoring air quality in your surrounding with highly accuracy, real-time detect CO2, temperature and relative humidity.
Simple Stylish Appearance: the air quality monitor has small size and clean design, perfect fit for house with any decorative style. Free-standing style, no mounting required.

Specifications:
Material: ABS
Voltage: 5V, 1A
Detection Technique: Semiconductor sensing technology
Test Function: CO2, temperature & humidity
CO2 Test Range: 400~4000ppm
Temperature Test Range: -9～55℃
Humidity Test Range: 0~100%  
Working Condition: -9℃～55℃, <90%RH Automatic Shutdown Time Setting Range: 10~1080 minutes Backlight Brightness Setting Range: 10~100% Date & Time Setting: Users can set the current date and time Historical Data Settings: Users can view historical data saved by the system Maximum Storage Management Space: 65,534pcs Timing Storage Settings: 10~1080 minutes Timing Screen Switching Setting: 10~600 seconds Language Setting: Chinese, English, Korean, Japanese, Russian Power Supply: 1 * 3.7V 3000mA Li-ion battery (Built-in) Item Size: Approx. 84 * 60 * 118mm / 3.31 * 2.36 * 4.65in Item Weight: 221g / 7.79oz Package Weight: 376g / 13.27oz Package Size: 17.6 * 11.2 * 7cm / 6.93 * 4.41 * 2.76in Packing List: 1 * Air Quality Detector 1 * USB Cable 1 * User Manual (English)