With the AcuRite wireless digital thermometer, you’ll always know the current indoor and outdoor temperature and humidity from the comfort of your home! The wireless LCD display features a built-in thermometer to measure indoor temperature and hygrometer to measure indoor humidity. The included outdoor wireless sensor acts like an outdoor thermometer and hygrometer to record temperature/humidity and wirelessly transmit data to the indoor display. Adding a tech-forward flair to any kitchen, office, or bedroom, this completely wireless thermometer stands upright with its fold-out stand. The display requires three (3) AAA batteries (not included), and the weather-resistant outdoor sensor requires two (2) AA batteries (not included). This digital indoor/outdoor thermometer can be an ideal addition to any bathroom, bedroom, living room, or weather center. This thermometer comes with a one-year limited warranty.