【Loud Megaphone】– 30W power amplifies voice that can travel up to 800 yards. Never strain your voice. 【Siren Mode】– Draw audience's attention fast by blasting loud emergency audio with a push of a button. 【Volume Adjustable】– Control the bullhorn audio output using the button in the back of the megaphone to your liking. 【Multi-Purpose Use】– Ideal for sports events, public speaking, emergency situations, and more. 【All-Weather Use】– Heavy-duty ABS build, sturdy and weather-resistant, ensures longevity and reliability. 5 Core professional megaphone, designed to make your voice heard with clarity and precision! Delivers a robust 30W of power, ensuring your message carries across any crowd. Easily adjust the volume to suit your needs and record up to 8 seconds of your speech for repeated playback. Activate the alarm/siren mode for emergencies or attention grabbing situations. The built-in mic in the portable megaphone offers versatility in sound projection. With an impressive 800 yards voice projection range, powered by 4 type “D” batteries (not included), this powerful mega phone is your ultimate communication tool for any event or occasion.