4 inch Metal Fire Control Internal Strike Type Alarm Security Bell Alarm Electric Safety Bell 100db (220V)

High Quality Alarm - This alarm is made of high quality hard metal case, not easy to be deformed. Pure copper solenoid coil. The striking force is large, the operation is stable, and the service life is long.

Working conditions - The bell can work continuously for less than 10 minutes. No flammable or corrosive gases or conductive dust. There was no noticeable shaking or vibration.

Sound transmission - the sound reaches 100dB, and it is safer and farther.Enev is used in a factory, everyone can hear.

Reliable and durable - The surface of the alarm bell adopts electroplating process, which makes the material more corrosion-resistant and not easy to rust and corrode.

< p>Easy to install - This siren is a portable wired power supply, easy to install and can be installed in a variety of installation methods such as wall and ceiling.