FeaturesCompatible recorders: DVR 4580, 4680, 5580, & 5680Compatible with Amazon Alexa / Google AssistantField of view: 90 degreesControllable sensor spotlights with red & blue flashing lightsWeatherproof design with heat & motion sensorsThe Swann Enforcer NHD-900BE Bullet Outdoor Wireless 4K Ultra HD Night-Vision Add-On Security Camera is at the pinnacle of feature-packed crime-deterring security devices. With bright spotlights, red & blue flashing lights, two-way audio, and loud siren, you can intimidate intruders and prevent unwanted activity, and these features are controllable remotely in the Swann Security app. Know what’s happening at any hour with powerful infrared night vision up to 130’/40m and Night2Day™ gives you amazing colour video at night up to 32’/10m. Swann’s True Detect™ heat and motion detection senses people and cars for more reliable monitoring and fewer false alarms. With 4K Ultra HD video and powerful digital zoom, the camera lets you actively watch over entrances, yards, driveways, parking lots, shop floors, storerooms, or customer service areas. With the Swann Security app, push notifications let you know what’s happening and you can even watch live or playback video on your smartphone from anywhere in the world. With PoE (Power over Ethernet) connection; power, video and audio run through a single Ethernet cable making installation simple. You’ll enjoy maximum reliability without the concerns of Wi-Fi connection drop interruptions, wireless static or bandwidth limitations. The SWNHD-900BE has a complete suite of smart video analytics including Face Recognition for accurate and informative alerts.