The Texecom Impaq E is a PROFESSIONAL shock detector for wired burglar alarms in a compact and stylish package. A break-in is detected as soon as the intruder attempts to force, smash, drill or even saw through the protected window, door, wall or roof. This means that the alarm is activated whilst the intruder is still outside, minimizing damage to the premises and its contents, and maximizing personal security. Desigined to be added to virtually any wired burglar alarm system for example - ADE, Texecom, Eurosec, Scantronic, Ademco, C&K, Menvier, Bosch and many others! If you are not sure just ask ;-) Main Features Shock protection for windows, doors, walls & roofs Advance Microprocessor Control Digital signal processing Ultimate false alarm immunity Gross Attack Protect.