Maverick's new Remote Nesting Thermometer features a transmitters base that comunicates with the receiver. Unlike other remote thermometers that include a secondary monitoring beeper that only shows that cooking temperature and offers no control, the receiver on the nested thermometer can decrease or increase the thermometer settings. If you're monitoring your food from 100 feet away and want to change the temperature at which the alarm sounds, you can now do that from the comfort of your chair. The can be used wirelessly or nested for local use. Includes 4 AAA