Door Alarms, Capacitive School Bell, Useful Multifunctional Loud Chime Construction for Industrial Commercial Home Business(220V, Pink) - Product Features
Hard metal shell, not easy to deform, the sound reaches 100db, and it is farther and safer.
Pure copper electromagnetic coil with discontinuity and no electromagnetic interference.
The surface is coated with electroplating technology to make the material more anti-corrosive and less prone to rust and corrosion.
Portable wired power supply, easy to install, can be installed on the wall, ceiling and other installation methods.
Strong tapping, stable operation and long service life.
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