Features 1.Support Forward and Reverse Interface: Notebook DDR5 tester fully supports notebook forward and reverse memory slot interface, which meets daily office needs 2.Working Principle: The notebook memory tester uses LEDs to indicate open and short circuits on data and address lines 3.Scope of Application: The DDR5 RAM tester is used to repair motherboard failures such as no boot, no display, and no memory reading. Is a tool for repairing notebook motherboards 4.PCB Material: The notebook memory tester is made of PCB material, which is wearable and durable, and has a long service life 5.Pay Attention: During detection, if a light does not light up or is very bright, it means that the signal has an open circuit or short circuit fault, and a multimeter can be used to further determine the fault point for maintenance Specification Item Type: Laptop Memory TesterMaterial: PCBBattery Type: CR2032 Button Battery (delivered without battery)Applicable: Laptop DDR5 Memory Slot Package List 1 x LaptopMemoryTester Note Shipped Without Battery