The Wireless Weather Station - Updates Every Few Seconds is a great outdoor accessory for the home. This thermometer includes a water-proof probe, allowing you to measure the temperature of pools and jacuzzis!It looks nice outside - but is it warm enough to go swimming? For that matter - what is the temperature of the pool, anyway? With this Wireless Weather Station with a waterproof probe - you'll always know the accurate temperature. This Weather Station is a great gift idea for tha person who has everything! Using a remote sensor (which can communicate with the station at a distance of up to 330 feet), as well as a ten foot waterproof probe, this weather station can tell you the outside temperature and humidity, as well as monitor indoor temperatures. You can record temperatures! This weather station is also a clock - with a large display and your choice of 12 or 24 hour time readings. This station can be free standing for desk use, or mount it on a wall! Both the sensor and the station use 2 AA batteries!