1 Pure copper electromagnetic coil with discontinuity and no electromagnetic interference. 2 Strong tapping, stable performance and long service life. 3 Sprayed iron cover, not easy to deform, the sound is louder and farther. 4 The surface is electroplated, anticorrosive and antirust. 5 Easy to install, can be used for hanging arms, ceiling mounting. 6 Applicable to industrial and mining, government groups, public places and equipment supporting 50HZ, also suitable for doorbells, alarms, etc.
What's in the box
1 x Electric Bell
