Check the listing for details. Multi Gas detector, temperature and humidity monitor with Bluetooth App. Condition: New. Listed at 63.99 USD. This multi gas detector measures temperature, humidity and detects various gases including carbon monoxide, alcohol (breathalyzer), hydrogen, ammonia, hydrogen sulfide, and nitrogen dioxide. With Bluetooth connectivity, you can easily access and analyze your data through the accompanying app. Made in the United States, this device is perfect for industrial and indoor use, and testing in various environments. The device can be operated from a single pushbutton switch located on the front of the unit or by using a Bluetooth interface App for Android (IOS App is not available currently). The monitor displays gas measurement, device status, temperature, and relative humidity. The measurement is displayed in bar graph for relative density. It provides Alarm function that generates alarm sounds when gas level exceeds preprogrammed safe levels.The App provides On/Off function, display mode selection and editing a Name for the device. It provides settings functions for Backlight intensity, Temperature unit F/C, Target gas and Screen save selection. The App displays gas measurements in simple readout or graphical time plot of the last 120 seconds.External Power: Micro USB type B, capacity 5 Volts 375mA Power consumption: Sensor OFF; 10% Backlight and fully charged battery 100 mW. Sensor ON; 950mW. Battery: internal Lithium-ion 3.7V, 400mAh. Operating temperature: -10 to 50 degrees Celsius. Storage: -30 to 70 degrees Celsius non-condensing. Calibration: calibrated using standard clean air or a Lab calibration gas with known concentration suitable for the device sensor. Bluetooth version 5.1