Voice Range: 0.5 km
Power Source: 6 x D Batteries (Not Included)
Battery Life: 8-10 hrs.
Hand-Held Microphone: Unidirectional
Dimensions: Horn Diameter 8", Overall Length 13.5"
Weight: 3.3 lbs without batteries
External wired microphone Siren and a voice recording loop which allows you to record up to a 10 second message and loop playback infinitely The MM-3 Megaphone (Bullhorn) offers a compelling combination power and exceptional value. One (1) year warranty. Clear sound, long range & efficient design Built-in Siren Built-in Voice Record/Playback (10 seconds max) Conveniently located Volume Control & Switch 10 Seconds Voice Recording Function