Watch what matters most with the Blink Outdoor 4 security camera system. This wireless setup gives you smart protection with crystal-clear HD video and advanced motion detection. Use two-way audio and live view from the Blink app to check in from anywhere. With infrared night vision and enhanced person detection, you'll never miss a moment, day or night. | Blink Outdoor 4 Wire-Free 1080p Full HD IP Security Camera System with Sync Module Core - 5 Pack