Three optional sound effects, loud and clear voice.
Portable size, light weight, easy to carry with.
Cylinder shape pronunciation mouth, long dissemination distance.
Great for traffic command &lifesaving, military training, sports competitions and training and pet training.
Item Name: Whistle
Battery: 4 x CR2302 (Included)
Features: Portable, Wide Application, Loud Sound
Size: 13.6cm x 3.8cm/5.35″ x 1.5″ (Approx.)