This connect plus wireless security system connects security and convenience through one control hub with remote access and alerts on smart devices. The kit includes one control hub, two window/door sensors, one indoor siren, one motion detector, one power switch and one remote control. Build more into the system with compatible SightHD 1080P/720P indoor and outdoor cameras, sold separately and add-on sensors, detectors and power switch components to cover all areas of your security needs.