Features:
Provide clear underwater signals to improve communication efficiency and among diver.
Single frequency buzzing, suitable for various diving environment.
Light weight and durability, easy to carry and operate.
Professional diver, diving instructors, underwater photographers, and diving enthusiasts.
Diving is used for team communication, issuing alerts or attracting attention in emergencies situations.

Specifications:
Dimension:7.6×7.4cm/2.99×2.91in
Component:stainless steel

Note:
1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order.
2.Due to the differences between different monitors, the picture may not reflect the actual color.

Package includes:
1pc Underwater Signaling Device