The device is designed for use as a tone transducer in harsh climatic conditions. Due to the use of built-in generator is easy to use, recommended for use in conjunction with digital devices (microcontrollers, etc.). It has an "open collector" type output. The sound volume can be controlled by changing the value of the DC voltage applied to it. The case is made of impact-resistant plastic, is not subject to corrosion and reliably protects from mechanical damage.
It is equipped with "ears" to ensure reliable installation and fastening of the caller. The device provides for the presence of pins designed for soldering to the board.
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