Tuya 5-in-1 WiFi Air Quality Monitor Formaldehyde CO2 TVOC Temp Humidity Tester

Am 13.01.2026 hat der Verkäufer die folgenden Angaben hinzugefügt Singal Generator. Spot Welder. If WiFi does not flash or stay on, it indicates a successful distribution network. 2 slow flashing, indicating WiFi display, unable to connect network.

eBay