Blink Outdoor 4 wire-free smart security camera system provides comprehensive home monitoring with two HD cameras and a Sync Module 2. These weather-resistant units offer infrared night vision and two-way audio, allowing for clear communication and visibility regardless of the time or environment. The system is designed for easy setup and long-lasting performance, powered by AA lithium batteries for up to two years of use. This certified refurbished set includes all necessary mounting hardware, a USB cable, and a power adapter to get your home surveillance started immediately. Brand: Blink Model: Outdoor 4 (4th Gen) Type: Security Camera System Number of Cameras: 2 Connectivity: Wireless, Wi-Fi Resolution: 1080p HD Field of View: 143 Degrees Diagonal Battery Life: Up to 2 Years Weather Resistance: IP65 Rated Audio: Two-Way Talk Night Vision: Infrared Storage: Cloud (subscription) or Local (Sync Module 2) Color: Black Power Source: Battery Powered, Plug-in for Sync Module Keywords: Surveillance, Smart Home, Motion Detection, Weatherproof, Wire-Free, Alexa Compatible, Home Protection, Night Vision, HD Video, Easy Install, Long Battery Life, Security System, Outdoor Camera, Amazon Blink, Remote Monitoring Ships Next Business Day or Sooner