Solar wireless floating pool thermometer $ 21.80 Type: Digital Thermometer Accuracy class: 1.0 Scope of application: bathtub, swimming pool, fish pond, etc. Measure the water temperature. Temperature measurement range: -40 to 60 () Display size: 12CM7.5CM2.5CM Sensor size: 14.5CM8.5CM2CM Outer packaging size: 19.8CM10CM8.5CM