The ER-1206W is a compact splash-proof megaphone rated at 6 W output featuring a built-in whistle. It features IPX5 water-jet-resistant designs. A whistle tone can be used for attracting attention. It operates with 6 R6P batteries, or 4 R6P batteries when the battery spacer (accessory) is used. Handle and microphone with anti-bacteria treatment improve hygiene and safety during use.