2.4G Wi-Fi connectivity and built-in power: Outdoor security cameras use the wider 2.4G Wi-Fi (5GHz not supported). Built-in 5200mA battery for wireless use and long battery life Intelligent Pan & Advanced Night Vision: The 135° wide-angle enhanced lens combines a 355° horizontal and 60° vertical swivel range for 360°View and a 6x digital zoom to zoom in on the video for a clear view of details. This indoor security camera features enhanced night vision with an effective range of up to 33 feet Smart Siren & 24/7 Motion Alert: Intelligent Alerts & 24/7 Motion Notifications. The baby camera supports motion detection and push alert to monitor your baby/pet/elder. When your baby crawls over the bedside or your pet is making a mess, baby camera monitor will send alert message on your phone to let you know Works with Alexa& Two-way Audio：You can control Alexa to use the camera, with a built-in microphone and speaker to communicate with your home while you're out and about Local Storage & No Monthly Fees: Store your footage locally with an SD card (sold separately up to 128GB) and enjoy all functions without any subscription fees. Cloud storage options are also available 4MP 2K Security Camera Wireless 2.4GHz WiFi Indoor Cameras for Home Security Indoor Camera for Baby/Pet/Elder 2 Way Audio Night Vision Compatible with Alexa 24/7 SD Card Storage