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Door Detector
600
products found
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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.
Wireless Universal Car
Door
Lock Smoke
Detector
US$ 1-10
/ Piece
5000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry 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
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
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.
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.
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.
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
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
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.
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
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
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
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
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
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
Opening & Safety Sensor for Automatic Sliding
Doors
US$ 100-150
/ 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
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City
Ningbo