[EASY OPERATION]: Dual power transfer switch for automatic and manual use, ensuring stable transmission without power interruption. [WORKING PRINCIPLE]: Immediate switch to standby power during abnormal conditions for continuous, reliable, and safe power supply. [GOOD PERFORMANCE]: Features good isolation, less interference, self-switching, and stable performance for a safe and practical experience. [APPLICABLE SCENES]: Specifically designed for household rail installation in homes, malls, factories, etc., ensuring power supply reliability. [PLASTIC HOUSING]: PC material Cover with excellent insulation, high temperature , and silver contacts for improved conductivity.