Single Head Dual Frequency is very convenient. Press softly (Diaphragm Mode) for High Pitch sounds ans softly (Bell Mode) for low pitch sounds. 22 inch length
Model offers a Deluxe nickle plated chestpiece Internal concealed spring bianaurals for better sound. Packaged in two piece Lane gift box with foam
Accessories: One pair each of soft and firm eartips. One diaphragm
30 days no question asked return policy. Two years parts and labor free.