3.5-inch baby monitor 2.4GHz video LCD digital camera night vision temperature monitor: 2.4G wireless digital signal transmission, more than 250 frequency hopping, no WIFI interference encryption digital signal transmission, good security- The smooth transmission distance can reach 200m, and the isolation distance can reach 30m- 3.5-inch high-definition LCD screen, clearer image display- The camera and display have a built-in battery that can be used for more than 2 hours. The display has a temperature display that can be switched between Celsius and Fahrenheit- Baby monitor with two-way interphone. Specification transmission frequency. ISM 2400-2483 MHz 4-frequency point * modulation. FM antenna camera. Omnidirectional antenna receiver. Built-in hidden transmission distance