The Blink Outdoor 4 (4th Gen) Add-On Wireless Security Cam in Black is a high-resolution surveillance camera with a 1080p (FHD) maximum resolution. It features LED LCD display technology, a 4-inch screen size, and a 1ms response time. This camera is powered by a 3V battery and has a 1-year manufacturer warranty. With a contrast ratio of 50:1 and an aspect ratio of 16:9, this camera is suitable for outdoor and indoor use. The camera also offers wireless connectivity and operates on the Wi-Fi smart home protocol, making it a convenient and reliable option for home surveillance.