2-inch LCD Screen CO2 Monitor Carbon Dioxide Tester Multi-functional Air Quality Detector

Features Practical Carbon Dioxide Detector real time measure and display the current CO2 concentration temperature and humidity simultaneously LCD Display with 3 Colors Backlight the backlight color will various according to the carbon dioxide concentration green backlight for 400 100PPM yellow for 1000 3000PPM buzzer once every 2s and red for 3000 5000PPM buzzer once every 1s Semiconductor Adopted professional semiconductor provide fast and high accuracy measurement results the CO2 data will upgrade every 4 seconds Rechargeable Battery Power Supply built in lithium battery with 1500mAh great capability which can be charged with the USB power cord via power bank computer power adapter conveniently Wide Applications can be used in office home car laboratory greenhouse CO2 storage room and more Specifications Material ABSDisplay LCD segment code screenPower Supply DC5V 1ADetection Principle SemiconductorSampling Time 4sCarbon Dioxide Effective Range 400 5000ppmCarbon Dioxide Resolution 3ppmTemperature Range 0 60℃Temperature Resolution 1℃Humidity Range 10 99 Humidity Resolution 1 Working Environment 0 60℃ 98 Battery 1 x 3 7V 1000mAh rechargeable batteryItem Size 82 x 80 x 50mm 3 23 x 3 15 x 1 97inItem Weight 112g 3 97ozPackage Weight 142g 5 02ozPackage Size 11 x 11 x 6cm 4 33 x 4 33 x 2 36inPackage included 1 x CO2 detector1 x USB cable1 x Manual