Handheld Megaphone.

Design: Portable, lightweight, and often features a foldable handle for easy carrying. It has a trumpet or conical shape to direct and amplify sound. Performance: Capable of producing loud and clear sound, with some models offering coverage of up to 800 yards (around 730 meters). Power: Power output can vary, with some models having 15 watts or 20 watts of sound. Functionality: Many models include additional features such as a siren signal, a recorder, and rechargeable batteries. The recording function often allows for messages to be played back hands-free. Durability: Made with durable materials like ABS plastic and sometimes designed to be splash-proof.