- Built-in standalone CPU, quick calculating speed and excellent stability.
- Non-polarity two-wire bus to make cabling easy, and avoid wrong wiring.
- Pressing the lever sheet on the fire call points to confirm the fire alarm, it can be reset by the special tool.
- It has a built-in fire telephone jack and a PHONE indicator.
- Special production process to make the device work at high temperature, high humidity and high altitude environment.
- ESD static protection grade 12000V, strong anti-interference ability.
- It provides passive output contacts that can control other external equipment directly through an intermediate relay.