Fortress Security Store (TM) Window & Door Contact Sensor for S02 or GSM Home Alarm Systems

Fortress Security Store (TM) Window & Door Contact Sensor for S02 or GSM Home Alarm Systems

The most likely method of forced entry into a home or office is via a door or window. That's why it's so important to have contact sensors attached to the windows and doors on your home - at least on the ground floor. These magnetic sensors can detect... more

$16.99

go to store
Best Mini Wireless Loud and Discreet Security Door and Window Entry Defense Alarm with Magnetic Sensor Battery Operated for Home Garage Balcony Pool Sliding Doors Cabinets & More (6)

Best Mini Wireless Loud and Discreet Security Door and Window Entry Defense Alarm with Magnetic Sensor Battery Operated for Home Garage Balcony Pool Sliding Doors Cabinets & More (6)

Your search for the best wireless entry alarm is finally over... • It is 2.5 in. height and has an on/off switch in case you don't want to use it all day. • Very easy to install, it has double sided tape, just peel and stick it whenever you want. •... more

$19.99

go to store
Ideal Security Inc. SK621 Wireless Door or Window Sensor with Alarm

Ideal Security Inc. SK621 Wireless Door or Window Sensor with Alarm

SK621 Features: -Can be linked with Ideal's auto dialers and receivers. -Built in 105dB high output alarm. -Up to 80 meter range to receiver. -Double detection, magnetic and vibration sensors. -Quick set up, no wiring. -Double detection: Magnetic and... more

$33.24

go to store
Wireless Door or Window Sensor with Alarm

Wireless Door or Window Sensor with Alarm

Free Shipping on Over 500K Items!

Wireless door or window sensor with alarm. Can be used as a standalone alarm, has a built in 105dB alarm or you can link it to any of our wireless receivers and auto dialer. Has a 260 ft. range to receiver. Double detection: Magnetic and vibration... more

$33.24

go to store
Golden Security Wireless Alarm System Home Office Doors Windows Security Entry Burglar Contact Alarm System - Door & Window Sensor for Golden Security Home Security Alarm System

Golden Security Wireless Alarm System Home Office Doors Windows Security Entry Burglar Contact Alarm System - Door & Window Sensor for Golden Security Home Security Alarm System

This Door & Window Sensor can work with the alarm system in our Golden Security alarm system but we can not make sure whether it can work with other alarm on Amazon. Transmit Distance from host:more than 100m(no obstacle) Working frequency:433MHZ SMS... more

$7.88

go to store
Ideal Security Sk621 Wireless Door Or Window Sensor With Alarm

Ideal Security Sk621 Wireless Door Or Window Sensor With Alarm

Wireless door or window sensor with alarm.Can be used as a standalone alarm has a built in 105dB alarm or you can link it to any of our wireless receivers and auto dialer.Has a 190 ft. range to receiver.Double detection Magnetic and vibration... more

$46.58 $34.50

go to store
NO Wired Door Window Sensor Magnetic Reed Switch Home Alarm System 15-25mm x 30

NO Wired Door Window Sensor Magnetic Reed Switch Home Alarm System 15-25mm x 30

NO normally open type designed for use with alarm systems. Great for use in family and factory window, door. etc. Switch type: NO(Normally Open type), circuit is connected when magnet is near the switch. more

$55.99 $26.61

FREE shipping

go to store
Linear Linwadwaz1 Linear Z-Wave Wireless Door And Window Sensor

Linear Linwadwaz1 Linear Z-Wave Wireless Door And Window Sensor

FeaturesWireless Z-wave Door Or Window SensorInternal Magnetic Switch Contact MagnetExternal Normally Closed Contact InputTamper SwitchPowered By Cr123a Lithium BatteryInternal Reed SwitchExternal Switch Support100ft Line-of-sight RangeAnti-tamper... more

$46.24 $36.24

go to store
Linear Wadwaz-1 Z-Wave Door Or Window Sensor

Linear Wadwaz-1 Z-Wave Door Or Window Sensor

The Linear Z-Wave Door/Window Sensor installs on a door window drawer or other open/close object to monitor the object's open/closed status. The unit consists of two components the battery-powered contact sensor with an internal magnetic reed switch... more

$50.69 $38.99

go to store
SkyLink Wireless Door/Window Sensor WD-434TL

SkyLink Wireless Door/Window Sensor WD-434TL

The Wireless Water Alert system is designed to detect water overflow, water leakage or rising water. more

$16

compare prices
20 Alarm Terminal Recessed Door Window Security Switch Sensor Contact Shortie

20 Alarm Terminal Recessed Door Window Security Switch Sensor Contact Shortie

Bag of 20 Switches and 20 magnets 3/8" Recessed Stubby or Shortie N/C Terminal Alarm Switch • 3/8" Diameter • Easy Quick installation Press in the 3/8ths hole to fit • Operate Gap ¾" (19mm) min. When the magnet is next to the switch, the loop is... more

$41.00

FREE shipping

go to store
2gig Dw10-345 Window / Door Contact Sensor Wireless Alarm For Go Control

2gig Dw10-345 Window / Door Contact Sensor Wireless Alarm For Go Control

This thin window or door contact is 345 MHZ and can be used for 1 zone of protection, it comes with two Lithium batteries and a rare earth magnet. This has to be used with a 2Gig control panel, or Vivint or Apx or Go! Control panels. If using with a... more

$36.77

FREE shipping

go to store
2-in-1 Mini Alarm System -Motion Detector -Door/Window Contact Sensor

2-in-1 Mini Alarm System -Motion Detector -Door/Window Contact Sensor

" KEY FEATURES: Alarm can be set for motion detection or door/window sensor, or both (user selectable) Wireless - simple installation Mount alarm using 3M Tape (included) or Hardware Mounting Kit (included) 30-seconds entry and exit delays prevent... more

$9.99

FREE shipping

go to store
10 Recessed Door Window Terminal Security Alarm Switch Contact Sensor Discmagnet

10 Recessed Door Window Terminal Security Alarm Switch Contact Sensor Discmagnet

3/8" Recessed Stubby Terminal Leads Alarm Switch with magnet ** This is for 10 SWITCHES and 10 magnets ONLY ** •3/8" Dia with Terminal Wire Leads • Easy Quick installation • Operate Gap up to ¾" (19mm) max gap When the magnet is next to the switch, the... more

$29.93

FREE shipping

go to store
Door/Window Entry Alarm with Magnetic Sensor, Pack of 2

Door/Window Entry Alarm with Magnetic Sensor, Pack of 2

Easy tool-free installation to window or door; Mounted using double-sided adhesive tape (included) Magnetic sensor switch detects entry protecting home or office Three 1.5V button cell batteries, INCLUDED Pack of 2 sensors for two windows or doors 90... more

$4.99

go to store
MC 38 Wired Door Window Sensor Magnetic Switch Home Alarm System

MC 38 Wired Door Window Sensor Magnetic Switch Home Alarm System

. more

$3.23

FREE shipping

go to store
Enerwave ZWN-BDS-W - Z-Wave Magnetic Door/Window Sensor

Enerwave ZWN-BDS-W - Z-Wave Magnetic Door/Window Sensor

The ZWN-BDS is a battery-powered magnetic contact sensor that wirelessly controls lights and appliances throughout your home. When the magnetic contact is interrupted, such as a door or window being opened, the ZWN-BDS transmits Open/Close status to... more

$37.99

go to store
Mace 80356 Door/Window Sensor

Mace 80356 Door/Window Sensor

Wireless RF Transmission Upto 300 ft - For: Wireless Home Security System more

$5

compare prices
Linear WADWAZ- Z-Wave Door & Window Sensor

Linear WADWAZ- Z-Wave Door & Window Sensor

Wireless Z-Wave door or window sensor, internal magnetic switch contact and magnet, external normally closed contact input, tamper switch, powered by CD123A lithium battery. more

$49.00

go to store
Linear Z-wave Wireless Door And Window Sensor

Linear Z-wave Wireless Door And Window Sensor

wireless Z-wave Door Or Window Sensor Internal Magnetic Switch Contact & Magnet External Normally Closed Contact Input Tamper Switch Powered By Cr123a Lithium Battery Internal Reed Switch External Switch Support 100ft Line-of-sight Range anti-tamper... more

$49.00

go to store
Skylink WT433 Door/Window Contact Sensor

Skylink WT433 Door/Window Contact Sensor

Extra Door / Window Sensor SAVE! Protects entrances and sends a signal to the control panel or dialer when contact is broke. Up to 100'range. Measures 3 3/8 x 1 1/2 x 1 1/8" and weighs 2 3/5 ozs. Order ONLINE Today! AVAILABLE SEPARATELY: Skylink more

$14

compare prices
Linear Z-wave Wireless Door And Window Sensor

Linear Z-wave Wireless Door And Window Sensor

wireless Z-wave Door Or Window Sensor Internal Magnetic Switch Contact & Magnet External Normally Closed Contact Input Tamper Switch Powered By Cr123a Lithium Battery Internal Reed Switch External Switch Support 100ft Line-of-sight Range anti-tamper... more

$35.42

go to store
Skylink Household Alert WD-318T Alert System

Skylink Household Alert WD-318T Alert System

Door Sensor, Window Sensor more

$23

compare prices
Mace Wireless Door-window Sensor For The Mace 80355 Wireless Home Security System

Mace Wireless Door-window Sensor For The Mace 80355 Wireless Home Security System

For use with Mace 80355 Wireless Home Security systemAlarm activates when door or window opens Wireless RF transmission up to 300'Integrated status LED for magnetic contact open detection and low battery warningSwitch selectable feature for standalone... more

$29.99

go to store

More information about Home Security

Best prices on Magnetic contact alarms, Window Sensor in Home Security. Check out Bizrate for great deals on popular brands like . Use Bizrate's latest online shopping features to compare prices. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. Easily narrow your search and find the product that's perfect for you.