Feature

●Uses a special magnetic system
●Magnet is located inside on either end of the shaker with a ball bearing in between
●Shaking the device moves the ball bearing, creating a loud echo sound underwater
●Great for underwater communication
●A useful underwater safety device


Description

Clip this device onto your bcd so its handy when you need to get your diving buddys attention. A magnet is located inside on either end of the shaker with a ball bearing in between. Shaking the device moves the ball bearing, creating a loud Echo sound underwater. Its a great communication system when in a world where words simply wont be heard..