Tempo Smart Thermometer, wireless temperature sensor for iOS and Android (white) Ultra stylish Bluetooth Smart Thermometer with a range of up to 75 meters (250 feet) line of sight and ultra long battery life. Compatible with iOS and Android smartphones and tablets. Wireless, portable and convenient - no wifi set-up required. Current temperature is continually transmitted and the previous 24 hours data is conveniently stored within Tempo's memory. Temperature alerts can be set up on smartphones and tablets. From the convenience of your armchair, you can monitor the temperature of any room in your house, your garden outside and the garage.