? ?Compatibility?: Only compatible with OD8052 baby monitor, which is not compatible with other models and brands. | ? ?Multi-Camera Expand?: Support up to 4 cameras connected to the baby camera monitor, help you view your baby from multiple angles, can also monitor the elderly and pets. | ? ?Easy to Pair?: When two or more cameras are connected, press the ""Cam"" button to switch from cam1 to cam2. Press the ""Cam"" button again, the camera will automatically switch cameras every 10 seconds. Press the ""Cam"" key again to exit the automatic switching mode. | ? ?Pan-Tilt-Zoom?: This baby camera supports 355&lat tilt and 1204ilt. 2 x zoom feature helps you get closer to your baby and enjoy the noiseless camera rotation. | ? ?Connection security?: Very convenient to connect, no wifi baby monitor, no app or account required. Safe from hackers.