Catalog   /   Home & Renovation   /   Security Systems   /   Security Sensors

Security Sensors

 prices on 1660 models
Show
Security Sensor Sonoff DW2 Wi-Fi
Sonoff DW2 Wi-Fi
Type:opening sensor
Mount:in the door frame / window frame, indoor
Connection:Wi-Fi
Power supply:batteries
Price from $9.59
Compare prices and buy Sonoff DW2 Wi-Fi
1 store 4 offers
Loading online stores list.
Security Sensor Sonoff DW2 RF
Sonoff DW2 RF
Type:opening sensor
Mount:in the door frame / window frame, indoor
Connection:frequency 433–434 MHz
Power supply:batteries
Price from $9.99
Compare prices and buy Sonoff DW2 RF
1 store 1 offer
Loading online stores list.
Security Sensor Aqara Door and Window Sensor T1
Aqara Door and Window Sensor T1
Type:opening sensor
Mount:in the door frame / window frame, indoor
Connection:Zigbee, Apple HomeKit, Google Home, Aqara Home, IFTTT, Matter
Power supply:batteries
Price from $16.99
Compare prices and buy Aqara Door and Window Sensor T1
1 store 1 offer
Loading online stores list.
Security Sensor Ubiquiti All-In-One Sensor
Ubiquiti All-In-One Sensor
Type:opening sensor, vibration sensor, temperature sensor, humidity sensor, light sensor
Mount:in the door frame / window frame, indoor
Connection:Bluetooth
Range:5 m
Power supply:batteries
Price from $213.13
Compare prices and buy Ubiquiti All-In-One Sensor
1 store 1 offer
Loading online stores list.
Security Sensor Finder 18.51.8.230.0300
Finder 18.51.8.230.0300
Type:light sensor
Mount:wall/ceiling, indoor
Connection:wired
Coverage angle:360 °
Range:8 m
Adjustment:time, illumination
Power supply:230 В
Price from $78.96
Compare prices and buy Finder 18.51.8.230.0300
1 store 1 offer
Loading online stores list.
Protect your home with the XODO SA2 Smart Security Alarm System. This wireless siren connects via Wi-Fi and alerts you with a powerful 90dB alarm and bright strobe LED flash. Easily arm or disarm through the XODO app or included remote keychain, and receive instant smartphone notifications when triggered. Compatible with the XODO PS2 Smart Motion Sensor (2-Pack), the SA2 integrates seamlessly for enhanced whole-home protection. With quick plug-in installation, Alexa/Google Assistant compatibility, and support for hearing-impaired alerts, the SA2 is a reliable smart security upgrade for any home.
$22.99
BestBuy.com
Delivery: in USA
Report
Buy!
BestBuy.com
Protect your home with the XODO PS2 Smart Motion Sensor 2-Pack. Designed to enhance your home security, these sensors work together to keep your property safe. Each sensor features a sensor indicator light, power button, and USB port. Sleek and compact, they are easy to install and can be secured with the included screws and bolts. Requires XODO SA2 Hub (sold separately) to connect to Wi-Fi. Create a free profile to start monitoring your home instantly.
$19.99
BestBuy.com
Delivery: in USA
Report
Buy!
BestBuy.com
Stay connected and secure with the XODO PS1 Smart Door Sensor (2-Pack). Receive instant push notifications whenever a door or window is opened or triggered. The fully wireless design requires no hub or extra hardware—simply connect to your 2.4GHz Wi-Fi router. The sensor detects motion up to 20–26 ft with a 110°–360° wide angle, automatically turning on its LED light for 30 seconds when triggered. Ideal for home or business use, it can alert you to unexpected activity in areas like doors, windows, garages, kitchens, patios, or back offices. Compatible with XODO smart devices including cameras, doorbells, smart lights, and smart plugs.
$24.99
BestBuy.com
Delivery: in USA
Report
Buy!
BestBuy.com
Attach this Sensor where it’s needed to detect and notify you of movement involving heat and motion from people or pets. Use it to monitor entrances, thoroughfares, spaces requiring authorized entry, anywhere beyond your line of sight to detect motion, movements and much more! The PIR (Passive Infrared) Motion Sensor can be integrated into a complete security system managed on the Swann Security app to receive alerts. It can even be connected to the Indoor Siren for an audible and visible alarm that’s a powerful deterrent for intruders.
$54.99
BestBuy.com
Delivery: in USA
Report
Buy!
BestBuy.com
Extend your security to the outdoors by discouraging intruders with a loud wire-free siren, featuring weather-resistant construction, built in strobe and adjustable volume settings. SecureLink enables extended range and prolonged battery life.Seamlessly Integrate with your Arlo Home Security System for automatic siren activation upon detecting unusual activity or trigger manually via the Arlo Secure App.Requires the Arlo Home Security System 2 Sensor Keypad Hub or 5 Sensor Keypad Hub.
Price from $49.99 up to $89.98 
Compare prices and buy Arlo Wire-Free Outdoor Siren SLB1001-100NAS
$50.00
$90.00
Compare prices2
Cover the entry points that matter most. Safeguard doors, windows, and more with protection that works where others can’t. Ring Sensors are built to break free from traditional systems with no need for hubs or the limited reach of WiFi. On Amazon Sidewalk, these devices stay connected for reliable protection day and night.1 Add more devices anytime to expand your coverage as your home security needs grow.
$29.99
BestBuy.com
Delivery: in USA
Report
Buy!
BestBuy.com
Cover the entry points that matter most. Safeguard doors, windows, and more with protection that works where others can’t. Ring Sensors are built to break free from traditional systems with no need for hubs or the limited reach of WiFi. On Amazon Sidewalk, these devices stay connected for reliable protection day and night.1 Add more devices anytime to expand your coverage as your home security needs grow.
Price from $166.00
Compare prices and buy Ring Window-Door Sensor Instant notifications on Amazon Sidewalk, no base station needed, Pro Monitoring sold separately 6
$140.00
$166.00
Compare prices2
Fosmon's Dual Laser Motion Activated Parking Assistant Makes Parking Easy. Eliminate the risks that come with not parking correctly in an enclosed parking spot or garage. Fosmon's dual laser parking assistant will allow you to park in the correct spot every time. With its simple installation and setup, the garage parking aid will be ready to use in minutes. No more busted bumpers and doors. Provides Individual Laser Control. The garage parking aid allows for individual laser control for use with one parking stall or two. Simply flip the toggle button located on the side of the unit to turn on one laser or two. The lasers have a 360-degree adjustment, ensuring that no matter the vehicle or parking …
$23.98
BestBuy.com
Delivery: in USA
Report
Buy!
BestBuy.com
Modern and Contemporary Wireless Door Chime. Never miss anyone at the door with a Fosmon WaveLink wireless door chime. The wireless and portable design allow you to install the wireless door entry alert in any section of your home, or business. Magnetic Door or Window Sensor. The magnetic door and window sensor activates when separated. It transmits a signal to the receiver and alerts you with every time the door or window is opened. Easy installation. The receiver for your wireless door chime plugs into any standard outlet. Plug it in and pair your devices. Place your magnetic door sensors with the included double-sided tape and in seconds you are ready to use your WaveLink wireless system.…
$24.99
BestBuy.com
Delivery: in USA
Report
Buy!
BestBuy.com
Business or Home Wireless Alarm. Never miss anyone coming through your door with the Fosmon WaveLink Wireless Entry Alert Door Chime. Businesses can benefit by having one at the front door for retail customers and the back door for deliveries. Homeowners can utilize the motion detector alarm as a front door, back door, mailbox, garage or driveway alarm. Motion Sensor. 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. Wireless Plug-in Receiver. The portable wireless plug-in receiver plugs into any standard 110V o…
$29.99
BestBuy.com
Delivery: in USA
Report
Buy!
BestBuy.com
Maximize Your WaveLink System with Additional Wireless Door Chime Receiver. Boost your WaveLink system and your ability to never miss anyone coming through any door by adding another wireless door chime receiver. Place up to 10 receivers throughout your home or business to maximize the system's capabilities. Unique Ringtones with Volume Level. With 52 unique ringtones and 4 volume levels, you can personalize your wireless door alarm. Set it as a pleasant doorbell chime, or as a loud door alarm. The options are yours. Cover as Much as You Want. The WaveLink System allows you to pair up to 10 receivers and transmitters to each other. Be able to cover every entrance or stairwell in your business …
$15.99
BestBuy.com
Delivery: in USA
Report
Buy!
BestBuy.com
The Yealink W70B is the DECT IP base station for small and medium-sized businesses. Paring with up to a total of 10 Yealink W73H/W56H/W59R/CP930W/color screen DDPhone (T54W+DD10K) DECT handsets, W70B allows you to enjoy superb mobility and efficient flexibility immediately as well as significantly eliminates additional wiring troubles and charges.
Price from $109.88 up to $110.32 
Compare prices and buy Yealink W70B Phone Base Station AW70B
$110.00
$110.00
$110.00
Compare prices3
Instruction Manual http myosuploads3 banggood com products 20250402 20250402035924SKUL07330 pdfSpecification 1 Range pH 0 00 14 00pHEC 0 19000us cm 0 199 0ms cmSalt 0 199 9ppt 0 20 TDS 0 1999ppmTemperature 0 1°C 60 0°C 32 1°F 140 0°FORP 2000mV 2000mVHumidit air 10 RH 99 RH2 ResolutionpH 0 01pHEC 0 1mS cmSalt 0 1pptTDS 1ppmTemperature 0 1°C 0 2°FORP 1mV3 AccuracypH ±0 03pHEC ±2 F SSalt ±2 F STDS ±2 F STemperature ±1 0°CORP ±5 mVFeatures 1 8 in 1 Water Quality Tester Professionally measures pH EC TDS ppm ORP CF Salinity S G and Temperature Switch measurement units with a single click 2 WiFi Tuya APP Connected Provides accurate real time WiFi data tra…
$72.99
Banggood.com
Delivery: in USA
Report
Buy!
Banggood.com
24 more item(s)
1 2 3 4 5 ... 70