ขาย เครื่องทดสอบคุณภาพอากาศ Hcho Tvoc Co2 Detector ราคาที่ดีที่สุด

Description: Smart Indoor Air Quality Monitor tracks air quality with 4 air track sensors: TVOC, CO2, Formaldehyde (HCHO), Indoor Temperature (C, F). A companion app available for iOS and Android gives you a great 24/7 tracking experience. Track your air quality from different devices, track the historical data, manage rooms and places, change temperature measurement units. With a built-in sensor, the temperature is accurate to ±0.54°F and humidity is ±3%RH. Enjoy precise data from the hygrometer thermometer every 2 seconds. With small & compact design, this space-saving device is lightweight and portable. And you can place it at multiple locations by the hanging hole. Featuring 20-day on-board data storage, you can get recent temp & humidity records through curve graph. Specification: Material: Plastic Size: 75x75x50mm/3x3x2inch Connection Type: Bluetooth 4.0 Package Includes: 1 Piece Air Quality Detector 1 Piece USB Cable