Набір сигналізаторів клювання з пейджером і свінгерами Hirisi B1203S 4+4+1

This Hirisi set includes acoustic and optical signaling devices with swing connector, impact-resistant housing, transport case, adjustable volume, tonal signals based on direction of movement, and twenty-second memory for last bite.

• The description claims the device has tonal signals based on the direction of movement.