Secure Connection: The smart baby monitor uses 2.4 ghz digital technology for easy connection and won't leak photos or videos of your baby. Automatical Control and Sound Indication: The monitor's screen can be turned off, mute, and save power. When it is turned off, it is still monitoring the baby in the background. Sound an alarm when the baby cries. Portable: The video baby monitor has a small size and a support frame on the back, making it easy to carry. It can be placed near your bed at night to observe the baby's movements. Long Endurance: It takes 3 to 4 hours to fully charge, can work for 8 hours on a single charge. The system allows you to easily monitor your baby for a long time. Soothing Lullaby and Two way Conversation : The baby monitor is equipped with 2 calm melodies and 2 sets of ambient sounds, which can gently coax your baby to sleep.This system supports two way intercom.