Picture in picture display supports lcd5 inch screen 480 * 272ui style, simple and simple COMS effect, G HD CMOS lens height diameter 14mm2g2p antenna mode external (stable and not easy to be closed by the motherboard method) speaker specification built-in 8r1w microphone specification built-in high-frequency microphone-42db lens rotation support (up and down 60 degrees, about 270 degrees) The lens angle supports changing the large angle lens to view a wider range. 2.4G supports the voice control function, that is, the TX end voice exceeds the range value, the machine end will alarm the screensaver setting, and the RX end will carry out the screensaver voice intercom according to the design time, that is, two-way intercom (real-time clear child crying) temperature detection support (real-time monitoring of indoor temperature) alarm clock reminder support (to prevent failure to feed in time over time) ringtone support 8 infrared lamps, 940 infrared lamp battery 1500mA