Features: Double Power Supply Design: This 12V automatic transfer Switching module seamlessly switches between main power and backup battery, ensuring continuous operate during power outages without manual intervention. Reliability Functionality: Supports rechargeable 12V batteries for uninterrupted power supply, ideal for critical applications like incubators, oxygen systems, routers, and security cameras. High Efficiency Conversion: Features advanced management technology for low energy loss and stable 12V output (≤8A, ≤100W), maximizing backup battery use. Compactly & Durability Build: With ABS/metal/PCB construction for easy installation in tight space while resisting wear in demanding environment. Clear Monitoring Light: Built in LED indicators provide real time power updates, ensuring prompt awareness of operational conditions during emergencies power transfer. Specifications: Component: ABS, metal, PCB Size:Approx.60X45x31mm/2.36X1.77X1.22In Color: White Input/Output Voltages: 12V Applicable battery voltages: 12V Load current: ≤8A Most power: ≤100W Hole Spacing:73mm (Hole Diameter:4mm) Applicable scenario:greenhouse incubation,oxygen supply systems,Routers and networking equipment; Package Includes: 1Pc Double Power Switching Module note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.