Hand Tools

Wifi Temperature Sensor Monitoring Bluetooth Wireless Thermometer Hygrometer Remote Monitor Alerting App For Refrigerator(WIFI-Gateway-10) Bluetooth temperature sensor Record data once a minute, and can be used alone for app.you can store data for 20 days, the mobile phone saves EXCEL for long-term storage, and the computer needs a gateway to connect to EXCEL for long-term storage; The... Wifi Temperature Sensor Monitoring Bluetooth Wireless Thermometer Hygrometer Remote Monitor Alerting App For Refrigerator(WIFI-Gateway-10)