【Strong anti-interference ability】- Electromagnetic coil in pure copper with discontinuity and absence of electromagnetic interference, strong tapping, stable operation and long life.
【Strong and sturdy】- Hard metal shell, not easy to deform, the sound reaches 100 dB, the maximum range is 600-800 square meters and is farther and safer.`
【Plating technology】- The surface is coated with galvanic technology to make the material more anticorrosive and less prone to rust and .
【Easy to install】- Portable wired power supply, easy to install, wall-mountable, ceiling and other installation methods.
【Widely used】- Choose 110 V / 220 V depending on the voltage used. It can be widely used in fire rescue, emergency evacuation, factory alarms, school tones, etc.