Multi Function Testing: Supports voltages, resistance, diode, continuity buzzer, and relative measurement, making it a multipurpose tool for electrical repairs and circuit diagnostics User Friendly Features: Equipped with a HOLD button to freeze readings, backlit display for clear visibility in low light, and sturdy ABS construction for long lasting use Compact Pen styles Design: Portable and lightweight pen shaped structure for easy 1 handed operations, perfect for electricians ' inspections and on site repairs with its pocket friendly size High accuracy Measurements: Professional grades accuracy for alternating current / Direct Current voltages, resistance, continuity, and diode testing, efficient data with minimal error Auto Ranging Convenience: Automatically detects and switches ranges without manual, ideal for beginners and ensuring efficient measurements, Manufacturer: Zxfdsfdbnm