Alarm Contacts

White 3/8" Plunger Contact Door Window Alarm Switch Adjustable (10/20/50 Pack) 3/8" Diameter Mounting Hole needed 3 mm pre-travel stroke and 7mm ...

White & Brown 3/8" Recessed Mount Alarm Magnetic Contact Switch (10/20/50 Pack) Ideal for tight fitting window frames where you cannot drill a...

White or Brown 3/8" Recessed Wired Security Door Window Alarm Contact (10/20/50 Pack) 3/8" Door Contacts with Magnet Works for all alarm systems ...

White & Brown 3/8" Recessed Wired Door Window Alarm Contact Terminal (10/20/50 Pack) 3/8" Door Contacts with Magnet Works for all alarm syste...

White Magnetic Pill Door Window Security Alarm Contact Terminal (10/20/50 Pack) Size: 1-1/8" x 7/16" x 1/4" Operate 3/4" Gap minimum 3M Adhesiv...

Overhead Door Garage Floor Switch Sensor Security System Alarm Contact Overhead Door Contact or Switch with magnet and bracket Heavy-duty Track C...

Overhead Door Garage Roll-Up Shutter Security Alarm Contact Sensor Overhead Mounted Switch with Magnet Heavy Duty Roller Shutter Contact Magnet ...

Overhead Door Garage Roll-Up Shutter Security Alarm Contact Sensor Overhead Mounted Switch with Magnet Heavy Duty Roller Shutter Contact Magnet ...

White 3/4" Recessed Switch Ball Window Door Alarm Contact (10/20/50 Pack) Plunger style contacts Perfect for doors or windows No magnet to be in...

White & Brown Security Alarm Contact Surface Mount Home Switch Sensor (10/20/50 Pack) Surface wired magnetic contact Mini Stick-on contact wi...

Brown 3/8" Adjustable Screw Plunger Contact Switch for Door or Window Alarm - (10 Pack) 3/8" Plunger Contact is a reliable and versatile security s...

White Recessed 1" Alarm Contact Switch 1.5" Gap Home Security (10 Pack) 1" Diameter Press Fit Steel Door Contact Wide Operating Gap 1.5" min. Ea...

2" Surface Mount Magnetic Alarm Contact Switch, Window Door Sensor White A magnetic alarm contact switch that can be used as a door sensor or windo...