Megaphone/Portable Megaphone YMH-120P:1.power sourece: 12VDC(8*UM-2)2. Max Output:120dB/1M3.Current Consumption:1A Max4.Service Lifetime of Siren:15h(Until 100dB/1M Output)5.Two Tone:(1)Siren (2)talk(3)Whistle6.Material:ABS Plastic7.Color: Grey8.Size:304*304*432mm9.Net Weight(Without Battery):1640g10.Transmission Distance:2000m |