Specification: Realistic sound, perfect for calling and hunting wild duck. Manual simulation the call of the ducks, you can lure them to come according to the social life of the wild duck. Type: Duck Call Whistle Material: Wood Feature: Realistic Sound, Hunting Tool Size(L x Dia.): 12cm x 2.5cm/4.72" x 0.98" (Approx.) In real life image, the item's color may be slightly different from the pictures.