Security Sensors - Page 3 - Blowout Sale! Save up to 61%


Blowout Sale! Up to 61% off on Security Sensors at Defy Now, Page 3. Top brands include EMX, Fortress Security Store, Smart Caregiver, wsdcam, iMounTek, Vigilant Personal Protection Systems, Doberman Security, Wireless Pro®, Mengshen, E-PROUSE, xin-sheng, Lermende, Fnova, & iMaxAlarm. Hurry! Limited time offers. Offers valid only while supplies last.



EMX NIR Retro-Reflective Photoeye Safety Sensors
By EMX
In Stock
$92.95

mpn: NIR,

4.5 out of 5 stars with 76 reviews
Applications: The NIR Retro-Reflective Photoeye can be used as a reversing sensor for commercial overhead doors, gates and parking barriers.Can be used as a reversing sensor for commercial overhead doors, gates and parking barriers. Flexible Voltage 12V AC/DC to 240V AC. Watertight Package, 30 feet range, 6 foot cord.. Bracket and Mounting hardware included. Two LED Indicators, Sensitivity adjustment.. Compact water-tight design allows for outdoor installation. Mounting hardware and indicators


Fortress Security Store- Wireless Window/Door DIY Contact Sensor for the Fortress Total Security System Security- Business/Home Protection and Safety
By Fortress Security Store
In Stock
$19.99
$17.99
You Save: 10%

mpn: TS-Contact, ean: 0702756541409,

4.4 out of 5 stars with 113 reviews
Fortress Wireless Window/Door Contact SensorThe Fortress Total Security Door/Window Sensor is the first line of defense for your home, business or RV. These sensors are designed to detect a door or window being opened. When used with the Total Security systems Ready to Arm feature, these sensors will notify the panel if a door or window was left open. Those open windows or doors will need to be closed before arming will be possible. We recommend a contact sensor for every door and window on the


Smart Care Fall Guard Safety Auto-Reset Bed Monitor - Model tl-2100s
By Smart Caregiver
In Stock
$49.00

mpn: 1,

4.6 out of 5 stars with 42 reviews
The TL-2100S Monitor is designed for use with all Smart Caregiver corded sensor pads and mats. Simply plug a sensor pad into the monitor and place the pad under the resident in a chair or bed. When the resident gets up and pressure is removed, the alarm will sound notifying caregivers that the resident is on the move. This alarm features a Safety Auto-ResetTM Function which will automatically reset and silence the alarm when pressure is re-applied to the sensor pad. (Sold Separately)TL-2100S -


Wsdcam 113dB Wireless Anti-Theft Vibration Motorcycle Bicycle Alarm Waterproof Security Cycling Bike Alarm with Remote
By wsdcam
In Stock
$17.99
$16.99
You Save: 6%

mpn: bike-alarm,

4.3 out of 5 stars with 8 reviews
Note: First use need power on Method: press and hole the arm key of the remote control until the alarm host sounds a short 'Bi', at this time shake the alarm host until it sounds 3 times short ''Bi'', it shows that the alarm host is been powered on and con use normally. How to adjust touch sensitivity? Long Press disarm key of the remote until the remote LED light long bright; Then press arm key, the sensitivity will be adjusted from high level to low level. There are 7 different kind of tone


【Security Alarm】 iMounTEK Window Door [Anti-Theft/Burglar] Entry Intruder Safety Alarm. Built-in Magnetic Sensor, Easy DIY, Loud Siren Wireless Personal Security Home Security System [4 Pack]
By iMounTek
In Stock
$13.99

mpn: T847 (4 Pack), ean: 0616043320083,

4.7 out of 5 stars with 92 reviews
Overview This security alarm with built-in magnetic sensor detects the opening of a window or door and chirps rapidly at 90dB once being triggered off. Each part of the alarm has an attached strip of double-sided tape that makes installation easy and fast with no need for any tools. You can attach it onto windows, doors as an intruder alarm or onto gun, medicine cabinets to alert you when kids are opening. Specifications Material: PP plastic Alarm volume: about 90dB Battery: 3 pcs 1.5V


Vigilant 130dB Personal Alarm - LED Flashlight - Rip Cord Activation - Regular AAA Batteries Included (PPS8G Grey)
By Vigilant Personal Protection Systems
In Stock
$15.99

mpn: PPS-8G, ean: 0628586571266,

4.0 out of 5 stars with 142 reviews
The PPS8 is one of the best personal alarms on the market. It features a 130dB alarm - the loudest rated alarm sold by Vigilant. Designed to be placed in the outer pockets of a purse or backpack, the PPS8 can also be hand carried by joggers. The alarm is activated by simply pulling the pin, which deters attackers or intruders but also functions to draw attention to you if you need medical attention or help. Use of a personal alarm switches the element of surprise from the attacker to the


Vigilant PPS-22BL130dB Personal Alarm with LED Flashlight and Keyring Key Chain
By Vigilant Personal Protection Systems
In Stock
$14.99

mpn: PPS22BL, ean: 0628586571297,

4.1 out of 5 stars with 74 reviews
The PPS22BL is designed to look like a car remote to disguise it from potential attackers. It features a 130 dB alarm, which is one of the loudest personal alarms sold by Vigilant. Simply pull the grenade-style pin, and this ear-piercing alarm will activate for up to a half hour of continuous sound. Activating the alarm switches the element of surprise from the attacker to the potential victim. Replacing the pin is the only way to silence the alarm. The PPS22BL also offers an extremely bright


Doberman Security Portable Door Alarm with Flash Light, 1 alarms
By Doberman Security
In Stock
$13.53

mpn: SE-0203, ean: 0185535000593,

4.7 out of 5 stars with 129 reviews
Protect yourself from potential theft while traveling. The Doberman Security Portable Door Alarm w/Flashlight is easily attached to any door to provide you with peach of mind while you sleep. Simply hang it from the door knob and place the clip in the door jamb. It's the perfect alarm for htel rooms, dorms or any room you'd like to guard. There's also a handly flashlight built in.ULTRA PORTABLE & LIGHTWEIGHT - Completely portable, easily to install/remove - use at home OR while traveling.


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 (4)
By Wireless Pro®
In Stock
$8.30

mpn: WP-EntryAlrm, ean: 0656727778663,

4.5 out of 5 stars with 103 reviews
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.  • Perfect for preventing your children from opening doors they shouldn't.  • There is no need for expensive alarm systems, our high quality alarm adapts to different environments. • Perfect for windows, doors, office, balconies,


Doberman Security SE-0106-4PK Ultra-Slim Window Alarm (4 Pack)
By Doberman Security
In Stock
$29.99
$23.99
You Save: 20%

mpn: SE-0106-4PK, ean: 0760328345671,

4.0 out of 5 stars with 28 reviews
Protect any window with the Doberman Security Ultra-Slim Window Alarm. Simply peel and stick the device to any window. Its sensor detects vibration and emits a 100 dB alarm to alert you of a potential break-in. The ultra thin design of this alarm makes it perfect for use with any windows. Includes warning sticker.DETECTS WINDOW VIBRATION - Instantly alerts you of a potential break in with loud 100 dB alarm. UNIQUE ULTRA-SLIM DESIGN - Perfect for your home, office, garage, dorm room, or even RV.


Mengshen 3-Pack Safety Wedge Door Stop Alarm Stopper Blocking Travel Home Security Alert 120db (pack of 3) MS-M68
By Mengshen
In Stock
$19.99
$14.99
You Save: 25%

mpn: MS-M68, ean: 0708191214786,

4.3 out of 5 stars with 98 reviews
Introduction: Extra loud alarm. Simply place the alarm behind any door. If an intruder attempts to open the door, the wedge -shaped design will prevent it from opening and activate a 120 dB alarm. The alarm will scare off the would-be intruder and alert you to the attempted entry. Specifications: Size: 14 x 4.5 x 3.8 cm Net Weight: 96g Gross Weight: 128g Package: Various kinds Volume of Alarm: 120 dB Power Supply: one 9V battery Note: The gap between door bottom and floor should be 1 - 3.5cm3


E-PROUSE Personal Alarm Keychain Self Defense SOS Safety Emergency Sound Alarm With Flashlight for Women Kids Girls Elderly 3 Pack
By E-PROUSE
In Stock
$32.99
$12.99
You Save: 61%

mpn: EP-PALM-USB, ean: 0711639412019,

4.6 out of 5 stars with 61 reviews
How to Use the Personal Alarm Pull out the bolt to activate the alarm, the alarm will activate for up to a 40mins of continuous sound 1.Gently pull out the bolt 2.then the alarm will ring. Plug in the bolt when you want it to be quiet. Notes 1. When the alarm sound goes low, please remove screws from back cover and replace new batteries.  2. Pull off the hand strap to activate alarm. Insert the plug back to turn off the noise alarm. 3. The alarm sound is very loud, please do not put by


xin-sheng Fire Alarm Horn Siren Strobe Quick Alert Safety System Sensor Sound and White Flash Light 24V in Red with Wall Mount for Home Office Hotel Res
By xin-sheng
In Stock
$12.00

mpn: xin-sheng 104,

4.9 out of 5 stars with 39 reviews
1Fire Alarm strobe siren 2Three different tones, you can choose any one of them according to your need. 3Working Voltage:DV24V 4Dimension 160*117*53mm 56 pcs LEDs,Wall MountingFire Alarm strobe siren. Three different tones, you can choose any one of them according to your need.. Working Voltage:DV24V. Dimension 160*117*53mm. 6 pcs LEDs,Wall Mounting.


Lermende 120 dB Personal Alarm Keychain Emergency Safety Self Defense Keyring Batteries Included Black, 6pcs/Pack
By Lermende
In Stock
$22.99
$12.69
You Save: 45%

mpn: yyy10, ean: 0607569772227,

4.2 out of 5 stars with 50 reviews
Specifications: VOL: 120db Dimension: 2.68*1.5*0.98inch Battery: 110mA,6V Color: Black Alarm function: - Pull out the pin. It will alarm and the sound will be louder and louder. The alarm sound will last 40-60 minutes. - Insert pin back in to stop sound and use again. - The pin won't come out very easily - The alarm sound is loud enough to draw attention for assistance, difficult to ignore Broad consumer appeal - A self-defense option for any age. Ideal for children, self-defense, the old,


Personal Alarm, Alarm Keychain Fnova 120DB Super Volume with LED Mini Flashlight Safety Alarm for Women, Kids, Elderly, Students, etc(Black) (4 pack)
By Fnova
In Stock
$37.99
$19.99
You Save: 47%

mpn: ELEC-A321, ean: 0701722694828,

4.5 out of 5 stars with 84 reviews
Having this cute & mini personal alarm will make you have enough sense of security when you go out. Sometimes, a small device could have a great significance in one's life, even save one's life. If every one could pay attention to this small alarm device and carry on one, then a lot of pity will be no longer in existence. Product Information ♥Brand: Fnova ♥Available color: black ♥Weight: 38g/each ♥Measurement: 70*45*23mm ♥Package weight: 46g ♥Volume:120DB ♥Battery:3* AG13


iMaxAlarm SOS Alert Personal Alarm - 130dB Alarm - Safety & Security Emergency Device - Flower
By iMaxAlarm
In Stock
$19.99
$16.99
You Save: 15%

mpn: IMAXPA68-FLWR, ean: 0856445007124,

4.7 out of 5 stars with 111 reviews
At iMaxAlarm, we care about your safety. Our goal is to enable everyone with the ability to take safety and security into their own hands. We designed a sleek, yet simple and affordable solution that works for all ages. The iMaxAlarm SOS Alert is an easy to use personal security device. A simple pull from the top of the device will sound a loud, ear piercing 130 dB alarm to draw the attention of persons around you and indicate an emergency situation. The SOS Alert device comes ready to use



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