Swann Smart Security 1080p CCTV System: 8 Chl 1TB HDD DVR, 4 x Warning Light Camera. Works with Alexa, Google Assistant & Swann Security - SWDVK-846804WL-EU 4 Camera 8 Channel 1080p Full HD DVR Security System Warning Lights - Heat & motion activate the Sensor Warning Lights, helping you deter any potential intruders. One App, Complete Security - This product is compatible with the Swann Security app ecosystem. You can connect other `works with Swann Security’ products to create your own safe home. Speak to See - Enjoy hands-free security using voice commands. Stream video from your camera via the Google Assistant & Chromecast, Google Home Hub, or via Alexa devices with a screen, such as Echo Spot, Echo Show or 4K Fire TV. True Detect Heat & Motion Detection - Warm objects, like people and cars, trigger recording & push notifications. Monitor the Outdoors - Mount cameras outdoors. Weatherproof design, IP66 rating. Built to withstand rain, shine, snow & dust. Colour Night Vision - Get colour video at night up with the Sensor Warning Lights up to 32ft (10m). See clothing colours, car colours and more for enhanced evidence. Save Evidence Off-Site - Set up the system to upload footage and still images to your Dropbox account in the cloud. So even if your security system gets stolen, you’ll have image evidence off-site. Free Storage with the Massive HDD - The massive 1TB HDD can store months of footage before overwriting older footage. Easily transfer videos to a USB stick or download via network with no ongoing fees ever. Smart Search Finds Movement in Specific Areas - Select a specific area of the image to search for movement within the recordings. Highlight the position of a stolen object and Smart Search will find motion around that area. Expand Coverage Area - Add up to 4 more cameras for a total of 8 to cover any blind spots in your property. See Compatible Products section further below. Depth: 210 MM Height: 47 MM Width: 230 MM