Product Overview
Wired Security Sensor | Door magnetic contact Switch MD-155 shutter door security
Meian tech professional grade security service equipment hard wired sensors.
MD-155 wired shutter door magnetic contact switch
Focus brand wired shutter door switch works with alarm system
With high sensitivity magnetic switch inside
Used for office, store, workshop shutter door open alarm
Alarm triggered door open distance 50-60mm
Relay output: N/C or N/O
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Wired Security Sensor | Door magnetic contact Switch MD-155 shutter door security
