Splash proof with IPX5 rated megaphone rated at 3W out.
Specifications:
Power Source: R6P (AA) x  4 pieces (6V DC)
Rated Output: 3W
Maximum Output: 4W
Battery Life: Appoximately 8 hours JEITA)*
Audible Range: Approximately 125m (JEITA)*
Diaphragm: Polyimide film (voice coil, bobbin)
Water Protection: IPX5
Operating Temperature: Â -10C to +40C
Dimensions (W x H x D): 137 x 257.8 x 210mm (when attaching the microphone)
Weight: Body 610g (w/o batteries and microphone)
Option: Wall mounting bracket for megaphone SP-1100
JEITA: Japan electronics and information technology industries association