<p><strong><span style="font-size:20px">Features:</span></strong></p><p>1.2.8-inch ultra clear color screen: Clear display of detection data, clear results at a glance, convenient for checking air quality at any time.</p><p>2.Four color alarm system: It displays air quality in green, yellow, orange, and red colors, and sounds an alert when the standard is exceeded.</p><p>3.Innovative ventilation design: Double sided ventilation large holes, fully exposed to air, more accurate measurement, and quieter work.</p><p>4.Energy saving design: Adjustable screen shutdown, which can be set in the mobile app for energy-saving, environmental protection, and long-lasting battery life.</p><p>5.Type-c charging design: Type-c charging port, built-in 2000mah rechargeable lithium battery, supports usb connection for use.</p><p>6.9 tests: Built in high-precision sensors, quickly and efficiently identify co2, co, formaldehyde hcho, tvoc, pm0.3, pm2.5, pm10, temperature and humidity detection in the air, with comprehensive functions.</p><p><br/></p><p><strong><span style="font-size:20px">Parameters:</span></strong></p><p>Product name: 10 in 1 air quality detector (semiconductor sensor)</p><p>Material: abs</p><p>Charging voltage: dc5v/1a</p><p>Working voltage: 3.7v</p><p>Working current: 260ma</p><p>Measurement accuracy: 1ppm</p><p>Charging method: usb type-c interface</p><p>Battery capacity: 2000mah lithium battery</p><p>Measurement objects: temperature, humidity, co, co2, hcho, tvoc, pm particulate matter pm0.3/pm2.5/pm10</p><p>Product size: 90 * 70 * 35mm</p><p><strong><span style="font-size:20px">Precautions</span></strong></p><p>1.Press the power button once to switch between ℉/℃, press it twice to turn on and off the sound, press it three times to enter the calibration interface, and press it four times to enter the off screen state (press it once to turn on the screen)</p><p>2.In general, there is no co in daily life. This is carbon monoxide gas. When carbon is burned in a closed room or coal is not completely burned, co is produced</p><p><br/></p><p><strong><span style="font-size:20px">Package include:</span></strong></p><p>Detector * 1</p><p>Instruction manual * 1</p><p>Usb-c charging cable * 1</p><p></p><p><br/></p>