Specification:Features: Thiscontroller is used for emergency battery switching; when there is power on main power source terminal, it will connect to main power as power supply; otherwise, it will automatically switch to backup power source. It can automatically switch back to main power source when the power is back.Designed with screw terminals for convenient wire connection. Output voltage is the same as input voltage normally.Widely usedfor controlling power supply of incubator, network to achieve uninterrupted power supply.Specifications: Main Power Voltage: 85V~240V ACBackup Power Voltage: 85V~240V ACLoad Current: 10AMounting Hold Diameter: 3mm/0.1inQuantity: 1 Weight: 44g(approx.)Note: When it switches, there will be a temporary power failure for about less than 1 second.Package Includes: 1 x Controller