Shock and vibration detector plus magnetic contact for window, door, wall or ceiling. Digital shock detector, with a magnetic door / window contact for internal use. The attack is detected as soon as the intruder tries to force, break, pierce or even see through the protected window, door, wall or ceiling. Power 9V - 16 VDC 8.5 mA (17 mA Max). Dimensions: 25 x 85 x 95 mm detector, 10 x 12 x 58 magnetic contact.