Conventional alarm push button appropriate for outdoor use, IP65 in accordance with EN54-11 standard. Dispose of micro-switch with load resistor of 470 ohm or 680 ohm, verification system with reset key and LED alarm. Allows the mounting of plastic plate calibrated to be located and don´t break or of breakable glass both provided. ABS box of 85 x 85 x 58 mm. Certified CE according to DPC. Certified LPCB. Protection: IP65.