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Inkbird IBS-TH1 Wireless Thermometer and Hygrometer$28.99
The Inkbird IBS-TH1 are wireless hygrometer thermometers. The device has built-in sensors and can also be connected with external probes. Supports recording data in different periods, with a maximum of 30,000 records.
When connected via Bluetooth, monitoring can be performed from a distance of up to 150 feet.