Outdoor Survival Whistle Double-tube Blast Whistle Stainless Steel High-frequency Earthquake Rescue Whistle High-decibel Whistle

Function introduction:
1.Can be used for personal bird training, outdoor survival, and competition referee use
2.The vocal cavity is not afraid of dirt and water ingress, and can still function in harsh environments
3.Double tube design, up to 80-150 decibels, easy to blow
Due to the influence of the shooting environment and lighting, there may be slight color differences in the product. The actual item received shall prevail