Wooden Busy City & Train Set Railway Track Building Construction Accessories Railway for Child Classic Train Kids Gift

Wooden Busy City amp; Train Set Railway Track Building Construction Accessories Railway for Thomas Child Classic Train Kids Gift 1005005314898896 Pre-Order +/- Sampai Alamat 10-15 Hari FREE ONGKIR+PAJAK Garansi uang kembali jika Rusak, Beda Produk Model Number : Indoor Air Quality Meters Origin : Mainland China Certification : NONE Description: Various Detectable Gases - The indoor air quality monitor with built-in electrochemical sensors can accurately detect carbon dioxide (CO2), (HCHO), volatile organic compounds (TVOC), and particulate matter (PM2.5/PM10) in the air. These readings involve the detection of toluene, harmful and pollutants in the air. New Design - The unique mold designed air quality monitor with LCD color digital display can provide an average value for each gas, because long-term monitoring, real-time data is unstable. Easy Operation - This air monitor is easy to operate, and alarm sounds. At the same time, you can set the standard value of . If the density is higher than the standard value, the device will alarm. Portable 1000mAh Rechargeable Battery - It adopts 1000 mAh rechargeable battery, packaged with a USB cable, and the standby time can last for 4-6 hours. Wide Application - Widely used in homes, offices, enterprises, governments, schools and automobiles. Detect and monitor air problems at any time to ensure the health of family members or employees. Specification: Material: Plastic+Electronic Components Size Chart: Size: 136x60x23mm / 5.35x2.36x0.91inch Package Includes: 1 Piece Air Quality Monitor 1 Piece USB Cable 1 Piece Manual Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. Description: Various Detectable Gases - The indoor