This baby monitor set contains a monitor and a camera with infrared night vision, which can help you observe your baby day and night. Its two-way intercom function enables you to hear your baby and use your own voice to comfort your baby. It uses 2.4GHz wireless connection, no need for other network signals, more secure and stable. Features: 2.4GHz Wireless Connection: supports high data rate transmission without any video information compression loss. No need for other network signals, more secure and stable. Infrared Night Vision: this function enables you to see your baby clearly even at night. Two-Way Talk Back: built-in microphone and speaker for clear two-way audio conversations, enables you to hear your baby and talk to your baby as well. 5 Lullabies: built-in 5 lullabies to comfort your baby or help her/him fall asleep. Temperature Monitoring: the temperature displays on the monitor screen, so you can know whether your baby\'s comfortable or not. It is available in 9 languages. There are automatic timing of light and dark adjustment, night lights, etc. Adjustable Viewing Angle: the viewing angle can be adjusted into the most suitable one by rotating the camera base. VOX Function: under VOX mode, it automatically puts the display in sleep mode to save battery. It reactivates automatically when it detects noise in the baby\'s room. Note: The wireless transmission range may be shortened if an obstacle such as a concrete wall is in between the camera and monitor.