Tapo H200 Smart Hub with Alarm & Chime, Works with Tapo Switches, Buttons, Sensors, Cameras and Video Doorbells, Connect Up to 64+4 Devices, 19 Ringtones, Low-Power Wireless, Local microSD StorageUp to 64+4 Devices Connect more devices (up to 64 switches*, sensors, or buttons + 4 cameras or doorbells) to create your home's smart ecosystem. Works with Tapo C420, Tapo C400, Tapo D230, and more Smart Alarm & Chime Works with your smart cameras (Tapo C420, Tapo C400), video doorbells (Tapo D230), and sensors as a smart alarm or chime when motion is detected, or a visitor arrives 19 Ringtone Options Multiple built in ringtones (up to 90dB) for your