Product description
1 piece of electric bell+switch
* Pure copper electromagnetic coil with discontinuity and no electromagnetic interference.
* Strong tapping, stable operation and long service life.
* Hard metal shell, not easy to deform, the sound reaches 100db, and it is farther and safer.
* 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.
* Choose 220V according to the voltage you use