ADT 12 Piece Wireless Home Security System – DIY Installation – Optional Professional Monitoring – No Contract – Compatible with Google Assistant & Alexa – Pearl Grey. Item is open box. Powers on when plugged in. Box contains minor shelf damage. DIY security from ADT. Get really smart security you can easily install yourself. Backed by the smart security leader with over 145 years of experience. It’s so easy and intuitive to set up that you can do it yourself. Set up your system quickly and easily by plugging in your hub, connecting it to your home’s Wi-Fi network, and placing the sensors where you see fit. This 12-piece DIY Home Security bundle will secure your home or apartment and can grow, adapt, and move with you, as needed! The 12-piece comes with everything you need to protect a 3-4 bedroom home or apartment. Includes 1 base system, 6 entry sensors, 2 motion detectors, 1 keypad, 1 flood and temperature sensor, and 1 yard sign. ADT won’t lock you into any long-term contracts. Syncs with Google Assistant, Alexa, and other smart home devices for total home control. NOT compatible with ADT professionally installed systems or 5G networks–only work in the United States.