Electric Door Bell  AC220V High Alarm Bell 2/3/4/6 Inch For School, Factory.

Features:

- Stereo sound: The loud sound of the bell is very good, and it can be heard clearly. when you turn on the bell, it will not disturb others.

- Versatile use: This door bell can be used for a variety of applications, such as home, office, school, classroom, shop and so on.

- Easy to install and clean: The bell is easy to install and remove. it can be easily installed in a few seconds, which is convenient for you to use.

Technical Parameters:

- Voltage: AC220V.

- Size: 2 INCH,3 INCH, 4 INCH, 6 INCH.

Package Includes:

1 X Door Bell.