Door Window Contact Sensor for Wireless Wired GSM Alarm
Door Window Contact Sensor for Wireless Wired GSM Alarm 4 Pairs
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Features:
- Cost effective solution for non-metal doors
- Simple and convenient for installation, no power required for operation
Specification:
- Housing material : Fire-retardant ABS
- Power: No power required, directly connecting to burglar alarm via NC
- Connection:NC only ( your alarm must be able to accept NC alarm trigger )
- Working distance:15mm 30mm
Package:
- Model: CX134B