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Home Security Systems - 112 - Mega Sale! Save up to 28%


Mega Sale! Up to 28% off on Home Security Systems at EMF Help. Top brands include uxcell, 360, ERAY, xin-sheng, Mengshen, Doberman Security, Ostart, ZOTER, Bangtan, Home Security Systems, HWMATE, Intop, THUSTAR, Renogy, iZtouch, AISITIN, SAFEVANT, & Surplus Deal USA. Hurry! Limited time offers. Offers valid only while supplies last.



uxcell Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch
uxcell Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch
By uxcell
In Stock
$10.26
$8.69
You Save: 15%

mpn: a17020800ux0335, ean: 0604267583926,

4.1 out of 5 stars with 36 reviews
NO NC type designed for use with alarm systems. Great for use in family and factory window, door. etc.Switch Type: NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not...


IP Camera D503 HD Wifi Wireless Smart Home Camera Day Night Security Surveillance System 720p HD Face Recognition, Body Determination, Crying Detection
IP Camera D503 HD Wifi Wireless Smart Home Camera Day Night Security Surveillance System 720p HD Face Recognition, Body Determination, Crying Detection
By 360
In Stock
$49.99
$39.99
You Save: 20%

mpn: D603, ean: 0610731248871,

4.2 out of 5 stars with 48 reviews
Smart wifi camera which is equipped with artificial intelligence technology to support face recognition, body determination, crying detection. This smart wifi camera allows recording and storage of video surveillance. There are two storage methods: ...


ERAY MC-03B Wireless Window and Door Contact Magnetic Sensor for ERAY Door Alarm
ERAY MC-03B Wireless Window and Door Contact Magnetic Sensor for ERAY Door Alarm
By ERAY
In Stock
$12.99

mpn: MC-03B, ean: 0712809850839,

Specifications: ● Working Voltage: DC 12V (Built-in 12V dry battery) ● Static Working Current:Ultra-thin modern design, suitable for various kinds of doors and windows.. Shell bucking design for convenient battery changing.. Power switch can ex...


uxcell 5pcs MC-51 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White
uxcell 5pcs MC-51 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White
By uxcell
In Stock
$13.49
$12.15
You Save: 10%

mpn: a18051500ux0038,

4.1 out of 5 stars with 27 reviews
Description:1.Screw Mounted for easily install, PVC.2.The reed switch is an electrical switch operated by an applied magnetic field.3.Switch Type: NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magn...


xin-sheng Wired Metal Roller Shutter Door Magnetic Contact Waterproof Switch Alarm OC-55 Door Sensor for Home Alarm System
xin-sheng Wired Metal Roller Shutter Door Magnetic Contact Waterproof Switch Alarm OC-55 Door Sensor for Home Alarm System
By xin-sheng
In Stock
$10.60
Dimension: 106*16*16mm; alarm triggering gap: 30-50mm; 10W,0.5A; it is wired, normally closed;...


Mengshen Wireless Home Door Window Burglar Alarm DIY Safety Security Alarm System Magnetic Sensor with Remote Control - 1 Alarm 2 Remote Control M641
Mengshen Wireless Home Door Window Burglar Alarm DIY Safety Security Alarm System Magnetic Sensor with Remote Control - 1 Alarm 2 Remote Control M641
By Mengshen
In Stock
$16.50

mpn: MS-M641, ean: 0732030586642,

Specifications: Host battery: 2*AAA alkaline batteries(included) Remote Control battery: 12V/27A alkaline battery(included) Item Size: 8.5*4.2*1.4cm/3.3*1.7*0.6in Item Weight: 37g/1.3oz Package Information: Package Size: Approx. 10.3*5.9*3.5cm/4.1*2...


Entry Defense Alarm
Entry Defense Alarm
By Doberman Security
In Stock
$13.97
$9.99
You Save: 28%

mpn: SE-0109, ean: 0185535000074,

4.3 out of 5 stars with 29 reviews
The Entry Defense is Doberman's most basic unit. It is easy to operate, effective and loud. Using two magnets to form an electrical circuit, the opening of a protected window or door breaks this connection and sets off the 100 dB alarm. Doberman’s ...


Ostart Wireless Home Doors Windows Security Entry Alarm System - EASY to install FREE BATTIRES!! (Pack of 6)
Ostart Wireless Home Doors Windows Security Entry Alarm System - EASY to install FREE BATTIRES!! (Pack of 6)
By Ostart
In Stock
$10.99
$10.48
You Save: 5%

mpn: VFB-76-SECU-15-6PC-02, ean: 0508966811390,

4.4 out of 5 stars with 30 reviews
his economical alarm inconspicuously protects your home from intruders. This unit uses a magnetic sensor to detect the opening of a protected door or window. A 90 dB alarm will then alert you to an attempted entry and scare off potential intruders. T...


NC DC 12V, ZOTER Electric Drop Bolt Door Lock Deadbolt Strike Fail-Safe Mode
NC DC 12V, ZOTER Electric Drop Bolt Door Lock Deadbolt Strike Fail-Safe Mode
By ZOTER
In Stock
$24.99

mpn: EDL-DB200, ean: 0700814940102,

Product Reference: EDL-DB200 Specifications: NC mode - (locked while supplied with power), fail safe mode Suitable for : wooden door, glass door, metal door, fireproof door, etc Safety function : built-in voltage spike suppressor Material : stainles...


Bug Detector Anti spy RF Signal Detector Finder RF Scanner loctor Wireless Hidden Camera Laser Lens GPS Tracker GSM Tracking Device Eavesdropping Equipment Amplification Ultra-high Sensitivity
Bug Detector Anti spy RF Signal Detector Finder RF Scanner loctor Wireless Hidden Camera Laser Lens GPS Tracker GSM Tracking Device Eavesdropping Equipment Amplification Ultra-high Sensitivity
By Bangtan
In Stock
$171.01
$129.00
You Save: 25%

mpn: K18, ean: 0615228418119,

4.3 out of 5 stars with 23 reviews
In view of the various eavesdropping device, car tracker, mobile phone undercover software, wireless pinhole camera, surveillance camera, casino fraud equipment and other products that appear on the market, this product is directionally developed wit...


10X WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor
10X WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor
By Home Security Systems
In Stock
$12.05
$9.99
You Save: 17%

mpn: 4331022597, ean: 0720066839085,

4.9 out of 5 stars with 20 reviews
10X WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor #67Features: 1. New and high quality 2. Super loud 90 dB alarm 3. Convenience in installation--just peel and stick 4. Super environmental suitability and stability 5. Dustpro...


HWMATE Access Control System Kit With Keypad Power Supply 280kg Holding Force Magnetic Lock Exit Button Keyfobs For Single Door
HWMATE Access Control System Kit With Keypad Power Supply 280kg Holding Force Magnetic Lock Exit Button Keyfobs For Single Door
By HWMATE
In Stock
$69.20

mpn: MA-T11W-280, ean: 0661596833191,

Access Keypad: User: 1000 Card Type: ID card Frequency: 125kHz Item Weight: 110g/3.88oz Material: Plastic Input Voltage: DC12V Card Reading Distance: 1-15cm/0.39-5.91in Relative Humidity: 20%-80% Operating Temperature: 0~60°C/32~140°F Size(LxWxH): ...


Mini Electric Lock 60KG/132lb Magnetic Lock For Door Fail Secure DC 12V for Door Entry Access Control System
Mini Electric Lock 60KG/132lb Magnetic Lock For Door Fail Secure DC 12V for Door Entry Access Control System
By Intop
In Stock
$26.99

mpn: INS-60KG, ean: 0746856684239,

Features: 1.60KG/132lb electric magnetic lock for door access control system. 2.Secure NC mode: unlocked when power off, locked when power on. 3.Power supply: DC12/1A; holding force: 60KG/132lb 4.High quality and durable in performance. 5.Suitable fo...


uxcell 2pcs MC-38 Surface Mount Wired No Door Sensor Alarm Magnetic Reed Switch White
uxcell 2pcs MC-38 Surface Mount Wired No Door Sensor Alarm Magnetic Reed Switch White
By uxcell
In Stock
$12.02
$10.38
You Save: 14%

mpn: a18051500ux0052,

4.0 out of 5 stars with 32 reviews
Description:1.Self-Adhesive Mount, Screw Surface Mount contact, ABS Housing. Long wire lead that can side mounted. 2.Switch Type: NO means Normally Open:when the magnet separate, the circuit is not conductive( light on );When the magnet together, ...


Thustar 433MHz Wireless Door/Window Sensor Magnetic for GSM Home Security Alarm Systems
Thustar 433MHz Wireless Door/Window Sensor Magnetic for GSM Home Security Alarm Systems
By THUSTAR
In Stock
$15.99

mpn: QXC-0251,

Door Sensor Specifications: Working Voltage: DC-12V Working Frequency: 433MHz Static Current: ≤10uA Battery: 5*23A 12V 50mAh Lithium battery Encoding Type: 1527 Emission distance: 50-100mm/164-328ft(open area) Package Weight(each): Approx. 220g/7.8...


Renogy Flashlight Portable Hanging Magnetic Ultra Compact USB Rechargeable Water Resistant LED Camping and Emergency Lantern with 4 Modes for Hiking
Renogy Flashlight Portable Hanging Magnetic Ultra Compact USB Rechargeable Water Resistant LED Camping and Emergency Lantern with 4 Modes for Hiking
By Renogy
In Stock
$15.99
$14.99
You Save: 6%

mpn: RC-L200-01,

4.7 out of 5 stars with 21 reviews
Led:16pcs 3014LED, Lumen: 200Lm battery:3.7V/2000mAh rechargeable lithium battery switch:4 files adjustable, 3Seconds to turn off charge solar panel/USB charged charge time:4-5 hours(dc5v*1a) light time: 1 fils> 33H, 2 fils> 6H, 3fils> 3H, ...


iZtouch -8 Packs - Universal 433MHz GSM Wireless Magnetic Contact Sensor Window Door Entry Detector For Home Office Security Alarm System, Accessories for Wireless 433MHz IP Camera
iZtouch -8 Packs - Universal 433MHz GSM Wireless Magnetic Contact Sensor Window Door Entry Detector For Home Office Security Alarm System, Accessories for Wireless 433MHz IP Camera
By iZtouch
In Stock
$25.99

mpn: 616929580631, ean: 0616929580631,

These wireless door/window magnetic sensors are used to protect the opening of both doors and windows. If a burglar opens the protected door or window, a magnetic switch inside the sensor, will trip, which sets off the security system. Install one at...


AISITIN Smart Magnetic Sensor Remote Control Wireless Door Window Voice Alarm Home Entry Burglar Security Alarm System 110db Black
AISITIN Smart Magnetic Sensor Remote Control Wireless Door Window Voice Alarm Home Entry Burglar Security Alarm System 110db Black
By AISITIN
In Stock
$23.99
$19.99
You Save: 17%

mpn: DOORA105ALARM, ean: 0712492674675,

4.5 out of 5 stars with 21 reviews
AISITIN Smart Anti-Theft Magnetic Sensor Remote Control Wireless Door Window Voice Alarm, Home Entry Burglar Security Alarms System 110db Black [Easy to install]Easily mount to windows or doors with included double sides adhesive tape, no tools req...


[2018 Newest] Wireless IP Camera, SAFEVANT 100% Wirefree Camera Rechargeable Battery Powered Indoor HD Wifi Wire-Free Security Camera with Two Way Audio and Night Vision
[2018 Newest] Wireless IP Camera, SAFEVANT 100% Wirefree Camera Rechargeable Battery Powered Indoor HD Wifi Wire-Free Security Camera with Two Way Audio and Night Vision
By SAFEVANT
In Stock
$179.99
$129.99
You Save: 28%

mpn: BATTERYCAM-K1-WH,

4.7 out of 5 stars with 12 reviews
Product Features Complete Wirefree and easy installation Built-in customized high-power Wifi module to receive Wifi signal P2P technology and simple connection operations Polymer Lithium-ion battery, super low power standby up to 120 days a...


Roller Ball Recessed Button Pressure Reed Switch - Window / Door Alarm Contact Sensor Plunger with Terminals
Roller Ball Recessed Button Pressure Reed Switch - Window / Door Alarm Contact Sensor Plunger with Terminals
By Surplus Deal USA
In Stock
$12.99

mpn: DC-3711, ean: 0738676829631,

These High Quality Magnetic Contact switches have gold plated screws and terminals for corrosion resistance. They feature a 3rd terminal for a splice-free EOL resistor connection if desired. The mounting screws and spacer is included.High Quality Mag...



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