Amazon.com: RINMEE Solar Digital Pool Thermometer Floating, Large Easy-to-Read Screen Display and Bold Numbers, High Accuracy and Wide Measuring Range for Swimming Pool, Spa, Hot Tub, Ice Bath, Fish Pond : Patio,
All Points 62-1041 Solar Digital Thermometer with 2" Dial and 3" Flange
Extech - Digital Solar Powered Digital Thermometer: -40 to 392 ° F, Stainless Steel Probe Sensor - 49281439 - MSC Industrial Supply
Miljoco CD20368403-60 Digital Thermometer, Solar Powered Display, Flush Mount with Plain Front Flange Connection, 2"
Traceable Solar-Powered Digital Thermometer with Calibration; 1 External Probe: Amazon.com: Industrial & Scientific