The wire-free AllSecure4K Security system comes with 4 x 4K Cameras with long-life rechargeable battery that are easy to install and have the flexibility to be positioned where needed. They feature True Detect+ heat, motion, people and vehicle sensing can trigger recording, spotlights, siren & mobile alerts. The 4K Hub can connect up to 8 All Secure wireless cameras for expanded security if needed. 6 month rolling storage on the 64GB microSD storage plus optional cloud backup with no monthly fees. Wireless 4K cameras with rechargeable batteries last up to 3 months between charges, Weatherproof cameras work in heat, rain & snow.Talk & listen with 2-way audio to greet guests or warn intruders. Free recording for over 6 months on the included 64GB microSD & optional cloud back-up.Powerful Night2Day colour night vision captures up to 10m from camera with the spotlights on, for greater coverage connect up to 8 cameras to the Hub. Features: Suitable for indoor and outdoor usage Professional