Features:
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 is coated with electroplating technology to make the material more anti-corrosive and less prone to rust and .
Portable wired power supply, easy to install, can be installed on the wall, ceiling and other installation methods.
Choose 12V / 24V / 220V according to the voltage you use.

Specifications:
Condition: Brand New
Color: Red
Material: Metal
Size: 4 inches(100mm)
Power Mode: External
Optional Voltage: 220V/12V/24V
Alarm Volume: 100db
Surface Treatment: Electroplating

Package List:
1 * Fire Alarm Bell