• Compact megaphone speaker;• Portable battery operated design;• 2 audio modes--voice talking and siren alert;• Voice mode amplifies voice as spoken into microphone;• Siren alert mode is button-activated emergency alarm tone;• High-powered PA sound projection;• Adjustable volume control;• Convenient, quick-folding handle;• Ergonomic pistol grip and mini lightweight chassis ;• Requires 4 C batteries (not included);• Blue;Length: 8.90"Width: 5.70"Height: 5.70"