STB Beeper Collar Beeper Sound by Dogtra The Dogtra STB Standalone Beeper Collar-Beep Version gives you durable, reliable beeper functionality in a standalone package. Features a piezoelectric sensor for more accurate motion detection. You choose the mode-Point Only or Run/Point. Dogtra uses microcomputer technology to create beeper sounds. The Dogtra STB Beeper is designed as a single body downward facing beeper horn. This eliminates the bulkiness and risk of catching on obstacles such as fences when in the field.
eBay