The Design of Solid State Hooter 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 Hooter giving total reliability and long life over that of Electro Magnetic Hooter and bell.

• 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.
• Wide Operating range 48-220V