🔧 Power Up Your Diagnostics with Precision! Buzzer alerts you to any abnormal voltage levels instantly. Compatible with ATX, BTX, ITX, TFX, and SATA interfaces. Easily check power supply performance with a simple connection. Sleek and lightweight for easy transport and storage. Accurate readings within +/-0.01V for reliable diagnostics. LCD Voltage Display 20/24 Pin Compatibility Automatic Alarm System The 1Pcs 20/24 Pin LCD Computer PC Power Supply Tester is an essential tool for tech enthusiasts and professionals alike. It provides quick and accurate voltage readings for various power supply types, featuring an intuitive LCD display and an automatic alarm system to ensure optimal performance. Compact and versatile, this tester supports multiple interfaces, making it the go-to device for diagnosing power supply issues.