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Sentry costs $299.
It has a touchscreen interface.
It features a built-in camera and siren, as well as temperature, motion, humidity and air quality sensors.
You can also view your local weather at-a-glance.
The related Sentri Android and iOS apps offer even more features.
Use the app to view a live stream 24/7 and even set up integrations with Nest, Philips Hue LEDs and Belkin WeMo products.