Voltage input: main power 85V-240VVoltage input: backup power AC 85V-240VLoad current: maximum 10AProduct size: length 70mm*width 47mm*height <1 8mmInstallation size: 61mm*41mm(4*3mm)Product description:The function of the module is to realize the automatic switching of two power supplies. The first input is connected to (common main power supply),The second is connected to (backup power supply), and the output power supply voltage is normally equal to the input power supply voltage.When the main power supply has no power, the output of this module automatically outputs the second backup power supply.When the main power supply is restored, the output automatically switches to the main power supply.