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P-105B Sentry Pen Mechanical Transmitter (Black Anodized)
The Sentry Pen transmitter is a pen-like, ultrasonic device which, when activated, generates a signal that is received by a PALS Sentry receiver.
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Features & Benefits
The P-105 is an entirely mechanical transmitter requiring neither batteries nor electronics. It operates by the release of a spring-loaded hammer that strikes a resonator bar.
Specifications
Dimensions: 6” length, 0.5” diameter
Weight: 2 ounces