1 Non-sparking electric bell, suitable for AC 50HZ for industrial and mining, government groups, public places and equipment, also used for home doorbells, alarms, etc. 2 Made of pure copper solenoid, stainless steel, with discontinuity. 3 No electromagnetic interference, powerful tapping, stable operation and long service life. 4 Hard metal casing, not easy to deform, 100db sound transmission is farther and safer. 5 The surface is electroplated to prevent corrosion and rust. 6 Portable wired power supply, wall mounting, ceiling mounting, etc.

What's in the box
1 x Electric Fire Alarm Bell