What it does: A compact power-supply tester designed for voltage checking of PC power supplies. It verifies the presence and basic voltage output of a PC PSU so you can quickly identify power issues. Why you need it: Quickly isolates PSU-related problems without installing the supply in a system. Saves time troubleshooting and reduces trial-and-error when building, repairing, or maintaining desktop PCs. Key benefits Easy to use: Comes with a user manual and straightforward controls so both technicians and hobbyists can operate it reliably. Visual status: Equipped with a power/operation indicator that shows when the tester and PSU are powered, making basic diagnostics clear at a glance. Portable: Small and lightweight for transport between workstations, service calls, or lab benches. Important attributes Function: Voltage testing instrument for PC power supplies. Compatibility: Intended for use with PC power supplies (PSUs). Size: Compact, lightweight form factor for easy handling and storage. Performance: Provides a simple, quick check of PSU voltage output and operational status. Typical use scenarios 1. PC assembly: Verify a new PSU provides expected voltages before powering a newly assembled system. 2. Repair and troubleshooting: Quickly determine whether a faulty computer is caused by a PSU or another component. 3. Field service and IT maintenance: Carry a small, portable tester to service calls for fast on-site verification of PSU operation. How it helps you work smarter: The built-in manual and visible operation indicator make basic PSU diagnostics fast and straightforward, reducing downtime and simplifying routine checks without needing bulky equipment.