A8-O2 Oxygen Gas Detector with Temp & Humidity Monitor HD Color LCD Sound Alarm & 100K Data Logging

* 5-in-1 Multifunctional Air Monitor for O2 Concentration, Temperature, Humidity, Date and Time

* Adopt a 2.8-inch high-definition LCD color screen for display.

* It can display gas concentration, temperature and humidity values as well as curve graph interfaces.

* A buzzer will sound an alarm when gas concentration exceeds the standard limit, and the alarm sound can be muted by pressing any button. Meanwhile, the displayed numbers will change color. The alarm threshold is set to standard values by default, and users can customize the gas alarm thresholds by pressing the left MODE button to enter the system settings page.

* It supports data storage with a capacity of 100,000 records. Users can set timed data saving, delete stored data and view historical data by pressing the left MODE button to enter the system operation page.

* The display brightness is adjustable within the range of 5% to 100% by pressing the left MODE button to enter the system adjustment page, and the default startup brightness is 60%.

* Switch between Celsius (℃) and Fahrenheit (℉) by long pressing the ℃/℉ button.

* The product has a built-in 2500mAh lithium battery and can be charged via the USB-B port on the left side of the product.

* Dimension: 180mm x 78mm x 32mm

* Power Supply: 5V/1A

* A8-O2 Oxygen Detector: Measuring Range 0-30%

* Temperature: -9 to 55℃

* Humidity: 0-100%

* Working Environment: -9 to 55℃, less than 90%HR

* 1 x Main Unit

* 1 x USB Charging Cable

* Package weight: 0.5kg