◆ 2-Wire non-polarized signal

◆ 2-wire Non-polarized DC24V power

◆ Multi-level filter can effec vely suppress the interference signal

◆ Simple Electronic Addressing

◆ Two bus wire system: non-polarized signal two-wire

◆ Built-in microprocessor intelligently processes fuzzy logic

◆ Self-diagnostic function makes it reliable

◆ Simple Electronic Addressing

◆ Loop Powered

◆ Simple Plug-in structure

◆ Convenient installation

◆ Alarm by pressing, reset by a special key

◆ Simple Electronic Addressing