Description: Durable. Made of ABS material,durable. Portable. Lightweight, easily and convenient to carry outdoor. Feature. with voice,record 240s,alarm,. Application. Perfect for home,outdoor,shop,street,etc. Powered. 4pcs C batteries(package not include). Specification: Distance: 300-500 meters Size Chart: LxWxH: Approx.22cmx14cmx14cm/8.66inx5.51inx5.51in Package Includes: 1 Megaphone Note: Please allow slightly errors due to manual measurement and different monitors. Customer satisfaction is our primary concern. If the product is somehow cracked or broken during shipping, please feel free to contact us. We will try our best to give you a satisfactory solution.