FeaturesStorage: 128GB microSD (sold separately)Compatible with Amazon Alexa / Google AssistantBuilt-in siren alarm2-way communication10m night-vision & customisable detectionKnow who’s stopped by your door, even when you’re out. The Yale Front Door Indoor / Outdoor Wireless Full HD Night-Vision Security Camera keeps your home secure, no matter where you are. With motion detection alerts and real-time conversation, you can tell the postman to leave your package with a neighbour, or let friends know to ‘come round the back’ all through our Yale View App. What\'s more, the built-in light and siren create an active deterrent for unwanted visitors at your doorstep for your peace of mind. Video and audio streams can be secured by end-to-end encryption when \'customised encryption\' is selected in the Yale View App. In addition to great user experience, the camera works with leading voice assistants, making busy modern life that bit easier.