• Compact plated stainless steel underwater noise maker with magnetic device to stop unwanted noise.
• Overall length: 15.5cm (6").
• A simple shake sends sound up to 100 feet (2.5 m).
• No batteries or maintenance required.
• Practical technology favored by divers, dive masters and scuba instructors worldwide.

NOTE: 

For LALAMOVE and AP CARGO COURIER, please choose "Pick-up" under Delivery Method upon check out. Shipping/Delivery fee will collect upon arrival of your item/s.