Avoid theft of important devices with this sturdy, tamperproof, and also polycarbonate self-contained device. The Theft Stopper® has been proven to be highly effective in helping stop theft, misuse as well as vandalism. The Theft Stopper® leaves the device accessible and does not it interfere with the process in any way. Electronic features are also provided. The device sounds a powerful 95/105 dB warning horn when activated, which draws attention. The device comes with and is powered by a 9 VDC alkaline battery. The installation process for this device is quick and simple. The deactivation cable is also provided for service by authorized personnel. There is a three-year guarantee against breakage of polycarbonate in normal use.