1、SAFE AND FLAME RETARDANT: Made of excellent flame retardant PC materials, possess good insulation, high temperature resistant, aging resistant, safe and reliable, using silver contacts can greatly improve the conductivity and service life of the product 2、FOR HOUSEHOLD: The ATS has compact structure, reliable transmission, convenient installation and maintenance, specially designed for rail installation, dedicated to PZ30 distribution box 3、MINI AND PRACTICAL: Dual power automatic switch is a miniature household power switch, which is mainly used to test whether the main power supply or backup power supply is normal to ensure the continuity, reliability and safety of the power supply 4、MILLISECONDS SWITCHING WITHOUT INTERRUPTION: When the normal power supply is abnormal, the backup power supply works immediately, and the power supply is switched in milliseconds without interruption, very useful 5、WIDE APPLICABLE: Switch to the backup power supply when there is a power failure, and switch to the main power supply when power recovery. Widely used in various places where continuous power failure is not allowed, like factories, shopping malls, nurseries, etc.