Get precise temperature data at a glance with this wireless thermometer. The rugged, weather-resistant outdoor thermometer has an integrated hanger for easy placement. It wirelessly transmits accurate outside temperature information to the indoor display. The indoor display flips between the current indoor and outdoor temperature with the press of a button. You can place the indoor display on a tabletop or wall mount it. The temperature sensor has a wireless range up to 165' (50 m). It transmits data every 30 seconds and shows high and low temperature records for the past 24 hours.