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Door Detector
603
products found
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Wireless Universal Car
Door
Lock Smoke
Detector
US$ 1-10
/ Piece
5000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
Video
Universal Car
Door
Lock Wireless Alarm Fire
Detector
US$ 1-10
/ Piece
5000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
Video
Wireless Alarm Universal Car
Door
Lock Fire
Detector
US$ 1-10
/ Piece
3000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
Video
Magnetic Proximity Sensor
Door
Switch for Roller Shutter
Door
Detection
US$ 4-5.1
/ Piece
10 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Video
Magnet Reed Switch Sensor
Door
/Window Proximity Switch
US$ 1
/ Piece
100 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Universal Car
Door
Lock Smoke
Detector
Fire Alarms
US$ 1-10
/ Piece
5000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
Video
Factory Produced 5V 12V 24V 48V Nc/No Proximity Sensor Magnetic Induction Switch for Elevator or
Door
US$ 1.2
/ Piece
100 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Video
Factory Produced Proximity Sensor Magnetic Induction Switch for Elevator or
Door
US$ 2
/ Piece
10 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Video
5V 12V 24V Magnetic
Door
Contact Switch Magnet Type
Door
Switch for Ship
US$ 2
/ Piece
10 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Metal Magnetic Proximity Switch Position Magnetic Sensor Switch Lift
Door
Sensor Switch
US$ 3
/ Piece
10 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Change Over Magnetic Proximity Switch
Door
Magnetic Switch Sensor Proximity Switch for Auto Switching Transducer
US$ 2
/ Piece
100 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Video
Security Carbon Monoxide
Detector
Door
Alarm with High Sensibility
US$ 2.5
/ Piece
2000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
Video
Wired
Door
Magnetic Proximity Switch for Closet Switch Induction Type
Door
Switch
US$ 2
/ Piece
10 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Video
Stainless Steel Magnetic Proximity Reed Sensor Switch for Roller Shutter
US$ 4-5.1
/ Piece
10 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Video
Smoke
Detector
with LED Fire Alarms
US$ 1-10
/ Piece
5000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
5.8GHz Microwave Radar Sensor
Detector
US$ 4.65-5.95
/ Piece
1 Piece
(Min. Order)
Start Order
Ningbo Haishu Kaiau Electronics Co., Ltd.
Video
Easy to Install Proximity Switch for Measuring Instrument
US$ 3
/ Piece
10 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Mr-5cps-23 Magnetic Reed Switch for Alarm System Surface Mounted
US$ 2
/ Piece
10 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Video
Low Voltage No (normally open) Magnetic Proximity Switch Position Magnetic Sensor Switch Magnetic Induction Switch
US$ 1
/ Piece
100 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Video
Mr-5c-61L Magnetic Reed Switch for Alarm System Surface Mounted
US$ 5
/ Piece
10 Pieces
(Min. Order)
Start Order
Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd.
Video
Infrared Elevator Light Curtain Sensor for Lift
Door
Safety
Detector
Dt180A
US$ 35-40
/ Set
1 Set
(Min. Order)
Start Order
Turtech Intelligent Technology (Zhejiang) Co., Ltd
Video
Battery Operated Fire
Detector
Universal Car
Door
Lock Smoke Alarm
US$ 1-10
/ Piece
5001 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
Video
Ixio Motion&Presence Sensor for Automatic Sliding
Door
US$ 200-250
/ Piece
1 Piece
(Min. Order)
Start Order
Ningbo Kast Automatic Door Technology Co., Ltd.
Video
PT03-B Infrared Foot Sensor for Hermetic Automaitic Sliding
Door
Medical
Door
Motion Sensor
US$ 17-20
/ Set
1 Set
(Min. Order)
Start Order
Turtech Intelligent Technology (Zhejiang) Co., Ltd
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Category
Security & Protection
Alarm
Electrical & Electronics
Communication Cable
Sensor Switch
Infrared Sensor
DC Motor
More
Product Features
Signal Transmission
Wireless Alarm
Working Mode
Active
Certification
RoHS
Working Principle
Electro-Optical Type
Alarm Volume (within 1m)
≥90dB
See More Features
Company Features
Business Type
Manufacturer/Factory
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Individuals/SOHO
R&D Capacity
ODM
OEM
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City
Ningbo