This Mini ATS dual power automatic transfer switch is new developed mini household power transfer switch. Only for city power and Generator, not for PV system and inverter. The switch is mainly used for testing whether normal or spare power is normal or not. When the normal power is abnormal, the spare power works at once, which therefore ensures the continuirty, reliability, and safety of power supply. The product is specially designed for household orbit-type installation. The transfer switch is made of high& 8209;quality flame& 8209;retardant plastic material, good insulation, high temperature resistance, anti& 8209;aging, safe and reliable. Type: 4P/2P Colour: white+black Material: PC Package Contents: 1 * Dual power switch Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.