The PSC01 Powerflash Module is different from most other X10 modules - it sends X10 codes rather than receiving them. It can be triggered by a dry contact closure or a low voltage input (6-18 volts AC, DC, or audio). When connected to the output of a burglar alarm system or alarm panel, it can flood your house with light when the alarm is tripped. This device can be activated by a magnetic window switch, photo cell, moisture sensor, motion detector, pressure switch or anything that gives a switch closure. Applications for this versatile interface are limited only by your imagination. It can trip lights directly or activate sophisticated macros in ActiveHome Pro.