Features a Class-D amplifier. max power 25 W.

• 4 functions : conversation. whistle. foghorn & siren.
• Average range : 450 metres.
• Powered by 10 x AA batteries. (not included).
• Autonomy : about 8 hours.
• Weight (without batteries) : 950 g.
• Ø 203 mm. length 350 mm.