BALDR Pool Thermometer Wireless, Digital Pool Thermometer Floating with Remote T

Battery : 2 AAA 1.5V ( Temperature and humidity monitor ), 2 AA 1.5V ( Wireless Remote Sensor ). Wireless Remote Sensor Supports Up to Three Channelsand Waterproof Function (IPX7). Wireless Remote Sensor Temperature Display Accuracy: ±0.1°C (0. ).

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