Description Made of plastic material which is durable to use. This lightweight and handy megaphone can not only be used as a voice amplifier but also serves as an emergency tool with its integrated siren alarm function. the sound is very clear. Features - Color: As Shown. - Material: Plastic. - Size: About 25x15cm - The sound is very clear. - Made of plastic material which is durable and sturdy to use. - Protect your voice perfectly. - This lightweight and handy megaphone can not only be used as a voice amplifier but also serves as an emergency tool with its integrated siren alarm function. also suitable for tour guide or merchant etc. - It can play for 5 hours.