1、Remote Zoom Camera: The baby monitor has a large 3.5 inches screen, 2 times zoom function, and supports remote pan, tilt, and rotation, so you can observe your baby's activity in detail from multiple angles. 2、Temperature Sensor and Nght Vision: A temperature sensor built into the camera sends an alert to the parent unit indicating that it's time to adjust the thermostat. With night vision function, you can also see your baby's sleeping state at night. 3、Expanded Cameras Support: Ou baby monitors can be expanded by up to 4 cameras, allowing you to monitor multiple areas or other children's rooms. 4、Long Battery life and Range: The baby monitor has a monitoring range of up to 1,000 feet, long battery life, up to 16 hours on a single charge, and even 30 hours of use in Vox mode. 5、8 Lullabies and 2 Way Audio: The baby monitor comes with 8 soothing lullabies to help soothe your baby. Support 2 way intercom, no matter where you are at home, your baby can hear you. 6、Privacy Guarantee: Without WIFI, all video is transmitted through the advanced 2.4GHz channel with Fhss and digital encryption technology, so you are the only one who can hear and see your baby or pet's room.