Professional Wireless Floating Thermometer Digital for Swmming Pool Spa Hot Tub temperature measurement for swimming pool, fish pond and Aquarium. display the indoor temperature, humidity and outdoor temperature. Distance from the transmitter and receiver: 100 meters with date, time, alarm clock function, In normal clock mode, LCD displays indoor temperature, water Waterproof and floating:The wireless pool and spa thermometer is waterproof and floats on the surface of the water