Monitor your pool's temperature with La Crosse Technology's Wireless Pool thermometer. Quality floating pool thermometer features twist-on battery compartment to prevent water from entering and keyhole to attach separate cord or string to secure. Large 1" LCD displays pool’s current temperature. An easy-to-read display reads in Fahrenheit. Battery operated (AA batteries not included) thermometer and indicates when battery power is weak. Add-on this pool thermometer to your purchased La Crosse View weather station.