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Door/window Sensors

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Alarm Sensor Magnetic Sensor Magnetic Contact Sensor Reed Switch Sensor Door Window Detector Sensor Door Contact Sensor

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High Quality Door Contact Window Magnetic Sensor

High Quality Door Contact Window Magnetic Sensor

US $ 0.6-0.78 / Piece FOB
1,000 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2010
Chat Now Send Inquiry
Reflective Infrared Photocell 12-24V Photoeye Beam Sensor Sliding Gate Operator Yet611

Reflective Infrared Photocell 12-24V Photoeye Beam Sensor Sliding Gate Operator Yet611

US $ 8.5-11 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2017
ShenZhen Yaoertai Technological Development CO.,LTD

Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Recessed Door Window Contact Magnet Switch Alarm Sensor for Security Alarm

Recessed Door Window Contact Magnet Switch Alarm Sensor for Security Alarm

US $ 0.6-1 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Zuden Technology (HK) Co., Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
4 Beams Outdoor Active Infrared Beam Sensor

4 Beams Outdoor Active Infrared Beam Sensor

US $ 30-50 / Pair FOB
1 Pair (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2014
Ease Security Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2014
Chat Now Send Inquiry
Recessed Door Contacts Nc Security Alarm Window Sensors

Recessed Door Contacts Nc Security Alarm Window Sensors

US $ 7.2-11 / Piece FOB
500 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2010
Chat Now Send Inquiry
Security Beam Alarm Sensor Outdoor for Rolller Shutter Roling Door

Security Beam Alarm Sensor Outdoor for Rolller Shutter Roling Door

US $ 11-13 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2017
ShenZhen Yaoertai Technological Development CO.,LTD

Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Wireless Magnetic Window/Door Sensor for Alarm System

Wireless Magnetic Window/Door Sensor for Alarm System

US $ 2.45-2.89 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Zuden Technology (HK) Co., Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
Sentek Recessed Door Window Security Alarm Reed Switch Sensor

Sentek Recessed Door Window Security Alarm Reed Switch Sensor

US $ 0.66-0.82 / Piece FOB
1,000 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2010
Chat Now Send Inquiry
Laser Photocell Sensor Yet611LSR

Laser Photocell Sensor Yet611LSR

US $ 19-22 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2017
ShenZhen Yaoertai Technological Development CO.,LTD

Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
High-Quality Magnetic Window /Door Sensor for Security System

High-Quality Magnetic Window /Door Sensor for Security System

US $ 0.5-1 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Zuden Technology (HK) Co., Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
Recessed Magnetic Window or Door Contact Electric Sensor

Recessed Magnetic Window or Door Contact Electric Sensor

US $ 0.85 / Piece FOB
1,000 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2010
Chat Now Send Inquiry
Manufacturer Infrared Sensor Monitored Photoelectric Safety Wireless Beam Detector Yet610b

Manufacturer Infrared Sensor Monitored Photoelectric Safety Wireless Beam Detector Yet610b

US $ 7.6-11 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2017
ShenZhen Yaoertai Technological Development CO.,LTD

Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Wired Security Window / Door Contact Sensor with Surface Mounting

Wired Security Window / Door Contact Sensor with Surface Mounting

US $ 1.99-2.89 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Zuden Technology (HK) Co., Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
Door Window 2 Color Wired Magnetic Sensor

Door Window 2 Color Wired Magnetic Sensor

US $ 0.65-1.3 / Piece FOB
1,000 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2010
Chat Now Send Inquiry
Gate Door Opener Retro Reflective Photocell Photoelectric Sensor Beam Reflector

Gate Door Opener Retro Reflective Photocell Photoelectric Sensor Beam Reflector

US $ 8.5-11 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2017
ShenZhen Yaoertai Technological Development CO.,LTD

Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Hot Sale Door/Window Magnetic Door Contact Sensor

Hot Sale Door/Window Magnetic Door Contact Sensor

US $ 2.59-2.89 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Zuden Technology (HK) Co., Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
Smart Window Door Magnet Sensor Switch

Smart Window Door Magnet Sensor Switch

US $ 7-11 / Piece FOB
500 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2010
Chat Now Send Inquiry
Mitto 24V Electric Gate Kit 24V Wired Infrared Detector Sensor

Mitto 24V Electric Gate Kit 24V Wired Infrared Detector Sensor

US $ 5.7-6.5 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2017
ShenZhen Yaoertai Technological Development CO.,LTD

Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Wireless Door / Window Open Sensor for Home Security System

Wireless Door / Window Open Sensor for Home Security System

US $ 2.9-3.5 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Zuden Technology (HK) Co., Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
RoHS Recess Mounted Magnetic Door Sensor for Wooden Metal Steel Door

RoHS Recess Mounted Magnetic Door Sensor for Wooden Metal Steel Door

US $ 0.7-0.9 / Pair FOB
50 Pairs (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2014
Ease Security Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2014
Chat Now Send Inquiry
Safety Contact Signal Contact with Mini Safety Sensor for Doors and Windows

Safety Contact Signal Contact with Mini Safety Sensor for Doors and Windows

US $ 0.6 / Meter FOB
1 Meter (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Qinghe County Hongli Rubber and Plastic Co., Ltd.

Manufacturer/Factory

Hebei, China Since 2023
Chat Now Send Inquiry
Modern Intelligent Electric Rain Sensor and Window Opener Door & Window Accessories with Sunroof & Wind Sensor Functionality

Modern Intelligent Electric Rain Sensor and Window Opener Door & Window Accessories with Sunroof & Wind Sensor Functionality

US $ 5.8-12.8 / pieces FOB
2 pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Hu' Nan Jinchuangxing Building Materials Technology Co., Ltd.

Manufacturer/Factory

Hunan, China Since 2025
Chat Now Send Inquiry
White Recessed Door Contacts Nc Security Alarm Magnetic Window Reed Switch Sensors

White Recessed Door Contacts Nc Security Alarm Magnetic Window Reed Switch Sensors

US $ 0.68-1.36 / Piece FOB
1,000 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2010
Chat Now Send Inquiry
Reflective Photocell Photoelectric Sensor Beam Photo Electric Reflector Yet611

Reflective Photocell Photoelectric Sensor Beam Photo Electric Reflector Yet611

US $ 13.5-14.5 / Piece FOB
2 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2017
ShenZhen Yaoertai Technological Development CO.,LTD

Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry

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Wireless Anti-Theft Buglar Alarm Magnetic Window / Door Sensor

Wireless Anti-Theft Buglar Alarm Magnetic Window / Door Sensor

US $ 1.9-2.9 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Zuden Technology (HK) Co., Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
Surface Mounted Wired Door Sensor for Alarm (MC-31)

Surface Mounted Wired Door Sensor for Alarm (MC-31)

US $ 0.3-1 / Pair FOB
10 Pairs (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2014
Ease Security Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2014
Chat Now Send Inquiry
Modern Intelligent Electric Rain Sensor and Window Opener Door & Window Accessories with Sunroof & Wind Sensor Functionality

Modern Intelligent Electric Rain Sensor and Window Opener Door & Window Accessories with Sunroof & Wind Sensor Functionality

US $ 5.8-12.8 / pieces FOB
2 pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Hu' Nan Jinchuangxing Building Materials Technology Co., Ltd.

Manufacturer/Factory

Hunan, China Since 2025
Chat Now Send Inquiry
Wireless Door Alarm Ultra-Thin Door or Window Contact Sensor

Wireless Door Alarm Ultra-Thin Door or Window Contact Sensor

US $ 7-11 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2010
Chat Now Send Inquiry
Infrared Photocell Sensor Beam Sensor for Sliding Door Wireless Detector for Shop

Infrared Photocell Sensor Beam Sensor for Sliding Door Wireless Detector for Shop

US $ 1-4 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2017
ShenZhen Yaoertai Technological Development CO.,LTD

Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Tuya IoT Zigbee Wireless Smart Door and Window Magnetic Contact Open Sensor Detector Work with Smartlife APP

Tuya IoT Zigbee Wireless Smart Door and Window Magnetic Contact Open Sensor Detector Work with Smartlife APP

US $ 5.35-5.55 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Shenzhen Coolseer Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2025
Chat Now Send Inquiry
Magnetic Contact Wired Door Contact Window Magnetic Sensor

Magnetic Contact Wired Door Contact Window Magnetic Sensor

US $ 0.4-0.8 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Zuden Technology (HK) Co., Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
Wall Mounted Wired Infrared Sensor with CE (ES-3002L)

Wall Mounted Wired Infrared Sensor with CE (ES-3002L)

US $ 2-6 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2014
Ease Security Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2014
Chat Now Send Inquiry
Normally Open Automatic Sliding Door Window Contact Sensor for Home Security Alarm

Normally Open Automatic Sliding Door Window Contact Sensor for Home Security Alarm

US $ 0.53-0.62 / Piece FOB
1,000 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2010
Chat Now Send Inquiry
Yet 610 Battery Power Wireless Beam Sensor

Yet 610 Battery Power Wireless Beam Sensor

US $ 11-13 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2017
ShenZhen Yaoertai Technological Development CO.,LTD

Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Alarm Wireless Door/Window Magnetic Contact/Sensor (TA-M80)

Alarm Wireless Door/Window Magnetic Contact/Sensor (TA-M80)

US $ 3.5 / Pair FOB
100 Pairs (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Shenzhen Taian Electronics Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Guangdong, China Since 2010
Chat Now Send Inquiry
Security Alarm Metal Window Wireless Rolling Shutter Magnetic Contact Door Sensor

Security Alarm Metal Window Wireless Rolling Shutter Magnetic Contact Door Sensor

US $ 2.4-2.79 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Zuden Technology (HK) Co., Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
Alarm Sensor Magnetic Sensor Magnetic Contact Sensor Reed Switch Sensor Door Window Detector Sensor Door Contact Sensor
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