Conveniences: An easy way to read your water temperature from both indoors and outdoors. Check indoor temp from your living room check water temp from pool. The Thermometer uses the high quality sensor the sensor directly contacts with the water the measurement temperature is more accurate. It is widely used to measure water temperature in bathtub swimming pool pond and spa Easy to Set up: The pool thermometer can set temperature alarmalarm with snooze.display indoor and water temperaturemonthdateweektime and reception channel. Convenient: It can receive three channels with 433MHz/100m distance and receive water temperature from up to 3 locations. Widely Used: The Water thermometer has wide measuring range from -40 to 60 Indoor temperature range: -10 to 50 Designed for use in the poolheated poolwood fired tubsspa thermometermonitor the temperatures in a koi pondmonitor the temperaturein outside hot tub from inside the housepool water tempas father's day presentChristmas present.