Spies cant be everywhere at once, but you can rest assured that your valuables are safeguarded with this compact alarm system. With two modes, it can detect nearby movements and it can also sense vibrations. When triggered, a three-second alarm will sound so you can catch burglars and rival agents in the act. Even if the device itself is moved, the siren wails and the flashing red light goes off. Protect your room, desk drawers, or secrets with this motion sensor alarm. Two types of sensors: light and vibration. Small and inconspicuous size is easy to transport and hide.