5 Sets Surface Mounted NC Magnetic Contacts Switch for Door/Window WHITE
USD 12.35 USD
It can't work alone, needs to connect with alarm systems to received the signal of door states. NC type: when door is closed, switch is closed loop, when door is open, switch is open loop. Strong double side tape for easy mounting.
Specifications
| Color | white |
| Power Source | battery powered |
| Brand | DSYBJR |
It can't work alone, needs to connect with alarm systems to received the signal of door states. NC type: when door is closed, switch is closed loop, when door is open, switch is open loop. Strong double side tape for easy mounting.
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