JLDG JD-3002 Air Quality Tester

This JLDG JD-3002 air quality tester uses a digital temperature and humidity sensor with excellent precision that provides consistent performance and also includes anti-jamming capability, low power consumption, and long service life. It comes with an environmental quality judgment feature that displays the appropriate level based on the measured value. It contains a 1800mAh lithium battery that can be charged using a USB cord. It features a power button, "+" button, "-" button, mute button, set button, temperature unit selection button, LCD display, and digital temperature and humidity sensor.