1. Additional built-in self-check circuit checks electronic circuit automatically to monitor operation safety.
2. Efficient design reduces weight by 50% compared to conventional systems.
3. Negative effects of ambient light are reduced compared to the previous SE model.
4. Energy-saving circuitry reduces power consumption by 50%.
5. Down-sized light sensor allows for an expanded working area.
6. Special filter improves strength against staining and tarnishing.