TWO-WAY, TALK-BACK INTERCOM: The system allows you to hear, distract and soothe your newborn from any room with the built-in intercom system on the portable parent unit. TEMPERATURE SENSOR: The temperature is displayed on the parent and baby units 3-10 seconds after powering on. If the climate in your baby's room changes, you can adjust the temperature to make your baby less restless. LONG OPERATING RANGE: The enhanced 2.4 GHz digitized and encrypted transmission system ensures privacy and security, providing clear audio transmission for up to 1,000ft (300m) unobstructed range. ALWAYS CONNECTED TO YOUR BABY: The parent unit will alert you when your monitor is out of range or low power, thus making sure you are always connected to your baby. RECHARGEABLE BATTERY OPERATED PARENT UNIT: The DBPOWER Sound Baby Monitor features a rechargeable wireless parent unit so you can do other tasks such as chores and housework or take a nap in your room.