ERA Door / Window Magnetic Senor (477FX)
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Easy to install to entry and exit points with anti-tamper protection. Fits to both the sash and frame of a window or door. ABS plastic construction. Compatible with all ERA wireless alarm systems.
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View all: ERA Burglar Alarm Accessories
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Door / window magnet and transmitter, CR2032 3V li-ion batteries (2), and self-adhesive double-sided fixing strip.