Price: US $28.25

GE Security BB-1GS Barrier Bar Alarm Switch General purpose perimeter alarm switch. Excellent for basement windows, jalousies, vents and other hard to protect openings. Features Two way protection: Sturdy appearance deters intruders. Attempting to remove bar trips PST pressure sensitive switch.…

Price: US $33.81

GE Security BB-1GS Barrier Bar Perimeter Alarm Switch, 20/pk, Fits windows 12” to 40”. Plastic bar. Ordered in quantities of 20; price shown is for one (1) unit.