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| Best Seller  | 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 | $45.99 $39.40 FREE shipping go to store |
 | The WBM Smart Wireless Door Sensor security system is very accurate and reliable with the latest technology of now days for the convenience of our trust worthy customers. The smart home door sensor has very easy installation with not a single tool... ... more | $26.99 $20.52 go to store |
| Best Seller  | RC-35 Recessed Wired Window Door Sensor Alarm Magnetic Reed Switch Note: Door magnetic induction can only provide a switch signal, which can not directly load the power, nor directly connect the lamp. ... more | FREE shipping go to store |
 | Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch - Brown Net Weight: 21g; Package Content: 1 x Door Magnetic Reed Switch Size: 23 x 23mm / 0.9" x 0.9"(H*D); Product Name: Door Magnetic Reed Switch Color: Brown; Material: Plastic Working Voltage: DC 100V Cable Length(Each): 36cm/14" NO NC type designed for use… ... more | $12.99 $10.39 FREE shipping go to store |
 | RC-35 Recessed Wired Window Door Sensor Alarm Magnetic Reed Switch Note: Door magnetic induction can only provide a switch signal, which can not directly load the power, nor directly connect the lamp. ... more | FREE shipping go to store |
 | 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 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... | FREE shipping go to store |
 | ecobee SmartSensor for Doors and Windows (2-Pack) EB-DWSHM2PK-01 Free Express Shipping! ecobee SmartSensor for Doors and Windows (2-Pack) Contact (Door/Window) & Occupancy Sensor, Works with ecobee Thermostats & Cameras, Smart Automation Provides Energy Savings, Operation Range up to 60', Smart Security Subscription... ... more
ecobee SmartSensor for Doors and Windows (2-Pack) EB-DWSHM2PK-01 Free Express Shipping! ecobee SmartSensor for Doors and Windows (2-Pack) Contact (Door/Window) & Occupancy Sensor, Works with ecobee Thermostats & Cameras, Smart Automation Provides Energy Savings, Operation Range up to 60', Smart Security Subscription... | $79.99 $59.99 FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch - White Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm/9.8"; Total Size: 17mm x 10.6mm/0.67" x 0.42" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means… ... more | FREE shipping go to store |
 | 30pcs RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed - White Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm/9.8"; Total Size: 17mm x 10.5mm/0.67" x 0.41" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means… ... more | FREE shipping go to store |
 | RC33 NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch White Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm / 9.8"; Total Size: 16.5mm x 10.5mm/0.65" x 0.41" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available NO means… ... more | $10.99 $8.79 FREE shipping go to store |
 | 3pcs RC33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm/9.8"; Total Size: 17mm x 11mm/0.67" x 0.43" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available NO means… ... more | FREE shipping go to store |
 | 4pcs RC33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm/10"; Total Size: 16.7mm x 10.7mm/0.66" x 0.42" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available NO means… ... more | $20.99 $16.79 FREE shipping go to store |
 | RC-36 NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch Brown Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm/9.8"; Total Size: 23mm x 22.5mm/0.91" x 0.89" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available NO means… ... more | FREE shipping go to store |
 | 2pcs RC-33 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 26cm/10.2"; Total Size: 17mm x 10.7mm/0.67" x 0.42" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means… ... more | FREE shipping go to store |
 | 2pcs RC33 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm/9.8"; Total Size: 17.5mm x 10.6mm/0.69" x 0.41" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means… ... more | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | 10pcs HC-34A NC Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch - White Current: 0.3A ; Voltage: 28V ; Power Rating: 3W; Action Distance: 10-15mm Cable Length: 25cm/9.8"; Total Size: 14mm x 6.5mm, 12 x 6mm (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means… ... more | FREE shipping go to store |
 | RC-35 NO Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White Current: 0.1A ; Voltage: 200V ; Power Rating: 2W; Action Distance: 15-25mm Cable Length: 25cm/9.8"; Total Size: 32mm x 11mm/1.26" x 0.43" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available NO means… ... more | FREE shipping go to store |
 | HC-34A NC Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White Current: 0.3A ; Voltage: 28V ; Power Rating: 3W; Action Distance: 10mm Cable Length: 25cm/9.8"; Total Size: 14mm x 6.5mm, 12 x 6mm (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means Normally… ... more | FREE shipping go to store |
 | 5pcs HC-34A NC Recessed Wire Gate Contact Sensor Alarm Magnetic Reed Switch - White Current: 0.3A ; Voltage: 28V ; Power Rating: 3W; Action Distance: 13mm Cable Length: 25cm/9.8"; Total Size: 14mm x 6.5mm, 11.7 x 5.7mm (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means… ... more | FREE shipping go to store |
 | RC-35 NC Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch - White Current: 0.1A ; Voltage: 200V ; Power Rating: 2W; Action Distance: 10-15mm Cable Length: 25cm/9.8"; Total Size: 32mm x 11mm/1.26" x 0.43" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means… ... more | FREE shipping go to store |
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