Siren is a noisemaking device producing a piercing sound of definite pitch. 

Technical Specification:

• Minimum sound level: 120db
• Oscillation frequency: not applicable
• Current consumption: Maximum 110mA
• Operating voltage: 12 V DC
• Tone: Ambulance Alarm
• Mounting: Clamp Type
• Wire/Lead length: 150mm 2 wire
• Height: 57mm
• Diameter: 49mm
• Operating temperature range: 20 to 50 °C
• Storage temperature range: 30 to 60 °C

Features:

• Low energy consumption
• Low maintenance
• Absolute reliability

 Applications:

• Ambulance