The Califone PA-15 is a handheld megaphone designed to provide siren and voice amplification for indoor and outdoor public address scenarios. With a 15W output power rating, it provides a range of up to 1000 feet. Utilize the built-in microphone to project your voice, or activate the siren for alerts. The adjustable volume control enables easy optimization of the output level. The compact and lightweight PA-15 features a durable ABS housing and a pistol-grip handle with a convenient carrying strap. It can be powered via the six included D batteries for up to six hours. The dedicated power button allows manual power management for prolonged battery life, and a dedicated LED indicates power status.