Panasonic easy-to-use video baby monitor uses the same clear and secure (non-wi-fi) long-range DECT technology found in its top-selling cordless home phone systems. DECT systems offer clear, secure and interference-free signal strength up to 1500 feet*. more than the length of four football fields, and twice the range of comparable monitors. Anywhere in or outside the home you can clearly and continually keep tabs on your child. The Panasonic Baby Monitor includes a bright 3.5-in. color monitor and easy controls that sync to an improved wide-eyed, wall-mountable monochrome night vision camera in the baby's room (The system is expandable up to four cameras). the video camera can be controlled remotely to pan, tilt and zoom the camera from the baby monitor to look in on your child anytime. Improved long-life, built-in battery charging in the monitor stores power for up to 13 hours of standby time and up to 5 hours of power for continuous use. A smart motion sensor alerts you when the baby is awake or crying. A temperature sensor alerts you if the room is above or below a range you set. When activated, sensors sound a chime, illuminate a LED on the monitor and display notifications on the monitor’s screen. Microphones and speakers in both video camera and baby Monitor enable 2-way talk with anyone in the room. And you can play gentle, soothing sounds that include five types of White noise and a choice of lullabies. Notices: *1500 feet achievable in straight line-of-sight. Actual distance will vary based on some types of objects in the path.