No Hub Required - Works with any Wi-Fi router without the need for a separate hub.System Requirements : iOS 10+, Android 5.0+ 3MP High Definition with Night Vision - 3MP(2304 × 1296) high definition for always on live stream and night vision up to 30ft Two-way Audio - With built-in microphone and speaker, you can keep in touch with your family anytime, anywhere Motion Detection and Activity Zones - Custom activity zones and notification will sent to your phone once motion is detected SD Storage - Local storage supports up to 256GB Micro SD card (SD card is not provided) Tapo Care – Explore the Cloud video storage and more advanced functions with a 30-day Free Trial. You will be notified before your free trial expires with information on how to pay for a subscription