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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
Approx Weight: 269g
Heat-resistance
Width: 4mm / 5/32"
5x50mm / 1
NC means Normally Closed:When the magnet together
4pcs RC33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White Microphone Stand Fasteners Approx Weight: 269gDescription: 1. NO means Normally Open: when the magnet separate, the circuit is conductive( light on ); When the magnet together, the circuit is not conductive ( light off ). When make order,pls check carefully! 2. NC means Normally Closed: when the magnet separate, the circuit is not conductive( light off ); When the magnet together, the circuit is conductive ( light on ). When make order,pls check carefully! 3. These are the door contact sensors
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