duo Delivers All-In-One Portable Security

You know what you want to protect, and duo does it. It is the only portable, all-in-one security sensor that instantly makes any space safe. It uses light & motion sensors for detection and it’s wireless, cordless, needs no wi-fi connection or external power to send you instant SMS alerts from inside your gun safe, medicine cabinet, hotel luggage, storage unit, car, trailer, jewelry box, and much more. 1-year battery life.