Fangrui Product Details Fangrui Product Details 1. The Power Supply Is Powered By A 50a Plug. Users Can Use The Wiring Harness To Draw Power From The Battery Or Outdoor Power Box, Or It Can Be Installed In A Car Or Rv. 2: Product Application Scenarios: Such As Battery Boxes For Outdoor Camping, Installation In Rvs, Installations In Yachts, Etc. Dc 12/24v Power Supply 3: The Car Charger Function Can Charge Mobile Phones, For And Other Electronic Products 4: Power Socket, Which Can Be Used With Some Car Supplies For Power Supply 5: The Voltmeter Can Observe The Power Condition Of The Power Supply In Real Time. Product Name:power Control Box + 50a Power Cord 8awg 30cm Long Product Input Voltage:12/24v Usb Output:5v 4.8a (2.4a+2.4a) Lighter Rated Voltage And Current:12v 20a/24v 10a Voltmeter Measuring Range:5-30v The Overall Aluminum Body Is Sturdy And . With Switch Control And 20a Overload Protector Protection. Product Installation And Fixation:users Can Choose To Fix The Bracket In The Rv Or Other Suitable Places For Fixation, Or They Can Choose Not T Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.