Keep your entire property safe with the Blink Outdoor 4 security camera system. This wireless setup extends range up to 400ft. with the Sync Module XR hub. Enhanced dual-zone motion detection sends alerts fast to your phone. Watch clear 1080p HD live video day or night, and talk through two-way audio in the app. Use Alexa voice commands for easy, hands-free control. | Blink Outdoor 4 Wire-Free 1080p Full HD IP Security Camera System with Sync Module Core XR - 4 Pack