Por un escritor de hombre misterioso
Con un foco con sensor de movimiento, un contactor con contacto NO (normalmente abierto), y una sirena, vamos a hacer una alarma casera que suene al detectar
This compact motion sensor will detect anyone who attempts to enter the protected area. A loud 90 db alarm siren will sound off to scare the intruder away and alert others to pay attention to the motion detected event. It can be fixated on the wall or simply put it on the desk or hand carry it. This motion sensor alarm is powered by AAA batteries or using AC power adapter. This device can also be used as a door window entrance alert chime for retail stores, office or warehouse area.
Portable Motion Sensor Alarm and Entrance Alert Chime with 90dB Siren Sound
Motion Sensor Alarm
This Ridgid 100 ft. 12/3 Heavy Duty Multi Outlet Extension Cord offers you maximum flexibility and durability. The lighted Triple Tap female plug features a power indicator giving you a quick visual check to make sure power is running through the cord, while providing you with multiple outlets where you need them. The SJTW outer jacket remains flexible from -58°F to 167°F.
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