Door Window Alarm, 125dB Door Alarms Sensor Window Open Alarm, Black Silver Tone - Black, Silver Tone

WBM Smart Wbm Wi-fi Door Sensor, Alarm Contact Sensor, Home Security System-2 Count 6.0 H x 5.0 W x 5.0 D in White | 6" H X 5" W X 5" D | Wayfair

WBM smart wifi sensor for window, door, and also used as a garage door sensor. Home security door open contact sensor monitors and reports the opening and closing status of windows and doors real-time position status displayed on the app, no wiring... ... more

MIFXIN Smoke & Carbon Monoxide Alarm (battery Powered) 1.496 H x 4.133 W x 4.133 D in black/gray | 4.133" L x 4.133" W x 1.496" H | Wayfair

When the unit detects the carbon monoxide gas concentrations more than 100 PPM, it will alarm, and the buzzer will make sound "di" four times at every 5 seconds, the red light flashes, and continue alarming. Please open the windows and doors, then call... ... more

Security Man 2-in-1 Door Stopper/Door Knob Jammier, Sliding Door Block/Security Bar - Durable & Rugged Latch 25.0 H x 3.0 W x 2.75 D | 3" W | Wayfair

The 2-in-1 Adjustable Alarm Jammier and Sliding Patio Door Security Bar Latch is a heavy duty; dual function security bar made from high grade iron that can secure just about any hinged doors, sliding doors, and/or windows. Is fully adjustable with an... ... more

Ubiquiti Networks UniFi Protect All-In-One Smart Sensor UP-SENSE

Free Express Shipping! Ubiquiti Networks UniFi Protect All-In-One Smart Sensor Motion & Door/Window Sensor, Temperature & Humidity Sensor, Ambient Light & Alarm Sound Sensor, Water Leak Sensor, Bluetooth Connectivity, Battery Operated, UniFi Protect... ... more

Ubiquiti Networks UniFi Protect All-In-One Smart Sensor (3-Pack) UP-SENSE-3

Free Shipping! Ubiquiti Networks UniFi Protect All-In-One Smart Sensor (3-Pack) Motion & Door/Window Sensor, Temperature & Humidity Sensor, Ambient Light & Alarm Sound Sensor, Water Leak Sensor, Bluetooth Connectivity, Battery Operated, UniFi Protect... ... more

Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Door Sensor Alarm Smart Life Magnetic

Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Door Sensor Alarm Smart Life Magnetic ... more

WSDCAM 125dB Vibration Alarm Glass Vibration Break Detector Door Window Vibration Alarm For Warning

WSDCAM 125dB Vibration Alarm Glass Vibration Break Detector Door Window Vibration Alarm For Warning ... more

WSDCAM Door Window Alarm 120dB Loud Door Window Home Alarm Baby Security Protection Window Magnetic

WSDCAM Door Window Alarm 120dB Loud Door Window Home Alarm Baby Security Protection Window Magnetic ... more

Door Alarm Sensor, 125dB Door Alarms Window Open Alarm Sensor - Black, Silver Tone

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Door Alarms Window Open Alarm Sensor - Black, Silver Tone

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Door Window Open Alarm Sensor, White

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Door Alarms Window Burglar Alarm - Black, Silver Tone

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Door Alarms Window Burglar Alarm - Black, Silver Tone

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Door Window Open Alarm Sensor, White

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Door Window Open Alarm Sensor, White

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Mini Door Window Open Alarm Sensor, White

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Mini Door Window Open Alarm Sensor, White

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Door Alarms Window Burglar Alarm, White

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Alarm Sensor, 125dB Door Alarms Window Burglar Alarm, White

The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders. ... more

Door Window NC Contact Security Safety Alarm Magnetic Sensor Reed Switch Sets - White

Country of Manufacture: CHINA; Material: Plastic, Electronic Parts; Net Weight: 23g Package Content: 1 x Magnetic Door Switch Sets, Installation Screws; Type: /; Rated Voltage: DC 100V Rated Current: 500mA; Rated Power: /; Wire Length: / Main Color:… ... more

2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security - White

Net Weight: 36g; Package Content: 2 Sets x Magnetic Door Swith; Size: 55 x 12 x 11mm / 2.2" x 0.47" x 0.43"(L*W*H) Product Name: Magnetic Door Swith; Color: White; Material: ABS Working Voltage: 0-100V; Transmitting Distance: 3-15mm Contact Type: NC/NO/… ... more

Home Security Wedge Door Stop Alarm System Equipment Intruder Alert 2pcs - Black, Silver Tone

Package Content: 2 x Doorstop Security Alarms; Color: Black,Silver Tone Material: Plastic,Metal; Size: 13.7 x 4.5 x 3.7cm/ 5.4" x 1.8" x 1.5" (L*W*H) Net Weight: 237g; Product Name: Doorstop Security Alarm Powered by: 1 x DC 9V Batteries (Not Included… ... more

5 Pcs Door Window Magnetic Switch Home Alarm Security System NC Normally Close - White

Product Name : Magnetic Door Switch;Contact Type : NC, Normally Close;Contact Capacity : 0.5A(Maximum Switch Current) Voltage : 100V;Rated Power : 10W;Actuation Distance : 5-10mm; Size(Approx) : 2.7 x 1.5x 0.8cm/ 1.1" x 0.6" x 0.3"(L*W*H);Color : White… ... more

Sabre HS-DWA2 Wireless Door And Window Alarm, Plastic, White

Highlights: Dimensions: 2.5" H x 1.625" W x 0.5" L Material: Plastic Color: White On and Off Switch: Yes Battery Size: LR44 Low Battery Indicator: Yes Decibel Rating: 120 dB Each alarm uses four LR44 batteries Number In Package: 2 Packaging Type:… ... more

5pcs MC-51 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White

Plastic NC Door Contact Switch The reed switch is an electrical switch operated by an applied magnetic field. Will make Sense Door Closer at Roughly 16mm Screw Surface Mount Work as an anti-theft alarm, perfect for wood door and window. ... more

2pcs MC-51 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White

Plastic NC Door Contact Switch The reed switch is an electrical switch operated by an applied magnetic field. Will make Sense Door Closer at Roughly 16mm Screw Surface Mount Work as an anti-theft alarm, perfect for wood door and window. ... more

Magnetic Reed Switch, NC Door Sensor Window Contact Switch White Black - White, Black

Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. ... more

Magnetic Reed Switch, NC Door Sensor Window Contact Switch White Black - White, Black

Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. ... more

Magnetic Reed Switch, NC Door Sensor Window Contact Switch White Black - White, Black

Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. ... more

Magnetic Reed Switch, 10 Pack NO NC Ring Alarm Contact Sensor Switch

Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. ... more

Magnetic Reed Switch, 5 Pack NO NC Ring Alarm Contact Sensor Switch

Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. ... more

Magnetic Reed Switch, 4 Pack NC Ring Alarm Contact Sensor Switch

Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. ... more

Magnetic Reed Switch, 10 Pack NC Ring Alarm Contact Sensor Switch, Brown

Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. ... more

Magnetic Reed Switch, 5 Pack NO NC Ring Alarm Contact Sensor Switch

Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. ... more

Magnetic Reed Switch, 4 Pack NC Ring Alarm Contact Sensor Switch

Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. ... more

Security Man 2-in-1 Door Stopper/Door Knob Jammier, Sliding Door Block/Security Bar - Durable & Rugged Latch 25.0 H x 3.0 W x 2.75 D | 3" W | Wayfair

The 2-in-1 Adjustable Alarm Jammier and Sliding Patio Door Security Bar Latch is a heavy duty; dual function security bar made from high grade iron that can secure just about any hinged doors, sliding doors, and/or windows. Is fully adjustable with an... ... more

Wireless Entry Door Bell Motion Sensor Chime

The motion sensor alarm with 2 sensors activates when movement occurs within the 16.4ft range x 110°. This transmits a signal to the plug-in portable receiver and alerts you with a ringtone every time the sensor is activated by motion. ... more