WiFi Temperature Sensor Smart Thermometer: Digital Temperature Monitor Gauge with Waterproof External Probe, App Alert & Buzzer Alarm, Rechargeable

REMOTE MONITOR & HIGH/LOW TEMPERATURE ALARM: No hub required, connect to 2.4GHz wifi(5G is not supported), you can know the temperature data from the

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Elitech RCW-800 WiFi Digital Data Logger - Email, SMS, App Push Alert – Elitech Technology, Inc.

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WiFi Temperature Monitor Smart Thermometer: WiFi Temperature Sensor with 1M Waterproof External Probe, App Alert & Buzzer Alarm, Digital Remote Temperature Gauge for Refrigerator, Fish Tank, Pet - Yahoo Shopping

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UbiBot Temperature Humidity Sensor: WiFi, Cellular & RJ45 Ethernet

REMOTE MONITOR & HIGH/LOW TEMPERATURE ALARM: No hub required, connect to 2.4GHz wifi(5G is not supported), you can know the temperature data from the

WiFi Temperature Sensor Smart Thermometer: Digital Temperature Monitor Gauge with Waterproof External Probe, App Alert & Buzzer Alarm, Rechargeable

Tuya WiFi Temperature Humidity Senor External Probe Remote Monitor Alarm Indoor Thermometer Hygrometer Detector Smart Life APP - AliExpress

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WiFi Temperature Sensor Smart Thermometer: Digital Temperature Monitor Gauge with Waterproof External Probe, App Alert & Buzzer Alarm, Rechargeable Battery, for Freezer, Refrigerator, Fish Tank : Home & Kitchen