The WE300HG maximizes cost-performance and downsized mechanisms. With dual system architecture, it delivers high reliability. It's compact design fits easily in a cabin Significant wire installation and maintenance savings (Our serial I/F meets the EIA RS-485 standard.) Large, square LED is easy to read. (Its electronically-controlled dimmer system is kind to your eyes.) (Completely flat,easy-to-use panel.) Alarm patterns meet the JIS-EA3 standard. Labor-saving desigh (Alarm patterns are stored as standard firm-ware. The system can be used immediately after you connect a shielded cable.) A full complement of self-monitoring features (The transmission system is always monitored by a watch dog system and the CPU.)