The Lorex C883DA Indoor/Outdoor Deterrence 4K Security Cameras include 4 white bullet cameras that offer high-quality 4K resolution for both color day and black and white night vision. These cameras are hardwired and feature smart home compatibility with Google Assistant and Amazon Alexa, making them easy to integrate into your existing smart home system. With a weatherproof design, wired connectivity via BNC and coaxial BNC, and features like night vision and add-on camera capabilities, these cameras provide reliable indoor/outdoor surveillance for your home or property. The smart home protocol of these cameras is infrared, ensuring seamless communication and monitoring even in low-light conditions.