ALL-IN-ONE AIR QUALITY MONITOR: The most advanced indoor air quality monitor measuring pollen, particulate matter (PM2.5 & PM1.0), carbon dioxide (CO2), carbon monoxide (CO), VOC (airborne chemicals), humidity and temperature. Symptom Tracker: The PT02 Plus air quality monitor is designed to help people with asthma and allergies. Monitor pollen and other pollutants in the air around you to avoid: Asthma attacks, sneezing, runny & stuffy nose, itchy & puffy eyes, sore throat, hayfever etc. Wi-Fi Enabled & Free APP: Smart PT02 can connect to the Internet, works seamlessly with Tuya App, Set alerts, receiving air quality measurements anytime and anywhere. (Note: Use the 2.4 GHz Wi-Fi band) Wireless IoT Controller: Create a Smart Scene in the Tuya app, make PT02 control the via a smart plug. First, you should add Smart PT02 and smart plug to Tuya APP. Then set the conditions. Connect the with the smart plug. The PT02 monitor will activate Fans, Air Purifiers, or other appliances in response to changes in your home's air quality. Supports RS485: The RS485 port is located on the rear of the device. And the RS485 supports data export. Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on voltage: AC220V Material: plastic colour: White Package Contents: 1 x Air Quality Tester 1 x plug 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.