Reliable: With the press of a button, you can choose to operate it automatically or manually. Flame Retardant: Made of premium flame-retardant polycarbonate material, with good insulation, high temperature resistance, using silver contacts can greatly improve the conductivity and service life of the product. It features a compact structure, convenient installation and maintenance, long service life, and can be installed vertically or horizontally. Wide Use: The switch is mainly used in hospitals, shops, banks, buildings, military facilities, and other important locations where power outages are not allowed. Specifications Product Type: Dual Power Automatic Transfer Switch Material: Polycarbonate Rated Voltage: 2P/ 230V Conversion Time: Less than 3 seconds Operating Frequency: 50 / 60 Hz Rated Impulse Withstand Voltage: 4 (KV) Rated 3C Voltage Range: 37V-230V * * * You can find the purchase link by clicking on our account name here on Haraj and going to (About the Store)