The Blink Sync Module 2 is a central hub that lets you manage up to 10 Blink cameras, offering key features like local storage of video clips without a subscription. It connects your Blink devices to your Wi-Fi network and powers features within the Blink Home Monitor app. Key features Local video storage: With an inserted USB flash drive (up to 256 GB, sold separately) Eligible cameras: Wired Floodlight, Video Doorbell, Outdoor 4, Outdoor and Indoor (3rd Gen), and Blink Mini. Centralized control: The Sync Module 2 acts as a command center for up to 10 Blink devices, including cameras and video doorbells. It allows you to arm and disarm your entire system or set schedules from the Blink Home Monitor app. Extended battery life: For battery-powered Blink cameras, the Sync Module 2 helps extend battery life by handling all communication with the Blink servers, so cameras don't have to. Amazon Alexa compatibility: The Sync Module 2 and connected cameras are compatible with Amazon Alexa, allowing you to view camera feeds on Echo Show devices and integrate them into routines.