MOCREO ST4 Temperature Sensor with Waterproof External Probe, for Freezer with App Alert, Smart Thermometer, MOCREO Hub Required, Remote Temperature Monitor Gauge, for Refrigerator, Fish Tank

Remote Monitor & Alert: Freezer thermometer needs to work with MOCREO Hub(B08V555LXZ), through the Hub access to the network, you can know the temperature data from a Sensor in the home in real-time by the MOCREO App. The push notification will be sent to your phone or mailbox, once the temperature is out of preset range. Wider Applications: Wireless refrigerator thermometer with an external waterproof probe to monitor the temperature to ensure a stable connection and low temperature-resistant. The temperature working range can reach: -40°F to +257°F (-40°C to +125°C). Perfectly suitable for monitoring refrigerator/freezer. Long Battery Life: Chargeable. Adopted with low-power consumption connection technology, the battery lasts more than 2 years from a single full charge. Easy to Use: Add it to your MOCREO Hub as same as other MOCREO sensors and work together. Easily build your MOCREO system. Cares what you care for. Data Storage/Export: With data logger/storage on the MOCREO Cloud. Data history turns into a curve graph, offering you a clear data-changing track. Visualize the data.