FeaturesStorage: 1 TB DVRCompatible with Amazon Alexa / Google AssistantField of view: 90 degreesDetects both heat and motionColour vision up to 32ft/10mThe Swann Enforcer DVR8-4680 Indoor / Outdoor Wireless Full HD Night-Vision 8-Channel CCTV DVR Kit with 4 Cameras has crime-fighting features other security systems dream about. True Detect™ senses heat and motion-based to trigger red and blue flashing lights (Patent Pending) and bright spotlights to intimidate intruders and prevent crime. Activity also triggers reliable push notifications, with fewer false alarms, and video recording. The Enforcer™ Cameras make it possible to see faces and license plates with 1080p Full HD video and powerful digital zoom to watch over entrances, yards, driveways, parking lots, storerooms and more. Know what’s happening at any hour, as the Cameras also display state-of-the-art Night2Day™ technology, providing full spectrum colour night vision, to turn night into day. Mount the cameras inside or outdoors as their weatherproof design is built to withstand rain, snow and heat, all year round. Enjoy free local recording onto the massive 1TB hard drive with no fees ever and the option to backup video securely to your Dropbox account. With the Swann Security app, you can even watch live or playback video on your smartphone from anywhere in the world. You can also speak to see via the Google Assistant or Alexa. The Enforcer™ Security System combines video surveillance and flashing lights to be an all in one crime prevention solution for any home or business.