Best Burglar Alarm For Door

Fielect 30Pcs MC-38 Surface Mount Wired N.C Door Sensor Alarm Magnetic Reed Switch White

[Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm；Total Size: 27mm x 28mm x 7.5mm / 1.06" x 1.1" x 0.3"(L*W*H).
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off )..
[Widely Usedl] - This Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.

[Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm；Total Size: 27mm x 28mm x 7.5mm / 1.06" x 1.1" x 0.3"(L*W*H).
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off )..
[Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.

[Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm；Total Size: 27mm x 28mm x 7.5mm / 1.06" x 1.1" x 0.3"(L*W*H).
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off )..
[Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.

Total Size: 50mm x 14mm x 14mm / 1.97" x 0.54" x 0.54"(L*W*H).
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off )..
[Widely Used] - This Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.

[Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm.
Total Size: 27mm x 14mm x 7.5mm / 1.06" x 0.55" x 0.3"(L*W*H).
[Normally Open] - NO means Normally Open: when the magnet separates, the circuit is conductive( light on ).
When the magnet together, the circuit is not conductive ( light off )..
[Widely Used] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.

[Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm.
Total Size: 27mm x 14mm x 7.5mm / 1.06" x 0.55" x 0.3"(L*W*H).
[Normally Open] - NO means Normally Open: when the magnet separates, the circuit is conductive( light on ).
When the magnet together, the circuit is not conductive ( light off )..
[Widely Used] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.

[Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm.
Total Size: 27mm x 14mm x 7.5mm / 1.06" x 0.55" x 0.3"(L*W*H).
[Normally Open] - NO means Normally Open: when the magnet separates, the circuit is conductive( light on ).
When the magnet together, the circuit is not conductive ( light off )..
[Widely Used] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.

Universal car auto burglar alarm protection security system,with the basic keyless entry function. such as remote control lock/unlock door, trunk release, trunk release..
Multi-level security arming & high reliability and quality..
Car Alarm system with transponder to arm or disarm your car easily & improve vehicle safety.
Equipped with 2 Remote Controls, a Siren and wiring harness, etc..

[Dimension] - Cable Length:250 mm；Sensing Distance:15-25 mm；Total Size: 32mm x 11mm/1.26" x 0.43" (L*D).
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off )..
[Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.

[Dimension] - Cable Length:250 mm；Sensing Distance:20-30 mm；Total Size: 25mm x 23.5mm/0.98" x 0.93" (L*D).
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off )..
[Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.