Scuba Diving Safety Whistle Having the Economy Whistle with Lanyard handy while scuba diving is an easy and effective way to get attention while on the surface, making you a safer diver. A great safety tool commonly used for Outdoor Survival, Camping, Hiking, Rescue, Emergency, Scuba Diving, Snorkelling and Spearfishing. Made of high quality material, durable and functional Double opening design, high audio frequency, to ensure that the sound has strong penetrating power in different environments. Equipped with a lanyard, easy to carry, and can effectively prevent loss Clips to pockets or belts Use For SOS, signal contact,
