THE PRODUCT IS A GLASS BREAK SENSOR THAT CAN BE FITTED TO EITHER THE CEILING OR WALL AND IS DESIGNED TO RESPOND TO THE SOUND OF AN INTRUDER BREAKING GLASS, (WINDOW, DOOR ETC.) TO GAIN ACCESS. IT LINKS TO AN ALARM PANEL, WHERE THE NOISE OF THE BREAKING GLASS TRIGGERS THE SENSOR TO SEND A RELAY BACK TO THE MAIN PANEL. THE NOISE IS PICKED UP BY AN ULTRASONIC MICROPHONE.

CLASSIFICATION IS DETERMINED ACCORDING TO THE PROVISIONS OF GENERAL INTERPRETATIVE RULES 1 AND 6 AS WELL AS THE TEXT OF CN CODE 902780 97.