The Design of Solid State Buzzer to provide audio annunciation. The output pitch has been carefully selected in the maximum sensitivity zone of human auditory system and the pitch is continuously adjustable over wide range giving pleasing sound to the comfort and convenience of the operator. The device is fully solid state buzzer giving total reliability and long life over that of Electro Magnetic Buzzer and bell.

• Size 72x72mm.
• Fully Solid State.
• Long Life.
• Low Power Consumption.
• Generates no radio frequency voice.
• Protected against Polarity reversal.
• Suitable for operation on A.C or D.C.
• Exquisite appearance.
• Easy flush mounting for panels.
• Operating range 12V-24V
• With three Different tones.