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.
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