Electronic anti-theft alarm device for personal belongings

The utility model discloses an electronic anti-theft alarm device for personal belongings, which is characterized by comprising a sensor module, an alarm module, a master switch and a power module, wherein the sensor module consists of an infrared emitting diode and a phototriode; after passing the master switch, two ends of the infrared emitting diode are connected on the power module so as to form a loop; after passing the master switch, the power input end and the grounding end of the phototriode are connected on the power module so as to form a loop; a lead is led out from the power input end of the phototriode to be connected on a trigger switch of the alarm module; and the infrared emitting diode and the phototriode are respectively arranged at two sides of an opening of a bag and are opposite in position. The electronic anti-theft alarm device is characterized by being small in volume, light in weight and convenient to carry, being capable of being installed on various bags conveniently, having an obvi