Power Output: 25w Rated / 50w Max
Voice Range: 0.7-1km
Power Source: 8 x“C/D”(UM-2/1) Cells 
Working Voltage: DC 12v
TALK  SIREN BT USB RECORD
200Seconds Voice Recording Function
Dimensions: Horn Dia.230mm
Length:350mm
Weight: 1.5 kg without cells