Compact Pen Styles Design : Features an integrated pen shaped body for easy handed operate and pocket storage, making it ideal for electricians and technicians to carry for on the go electrical testing. Auto Ranging Convenience : Automatically switches measurement ranges without manual , perfect for beginners and Professional alike to achieve quick and accurate readings. Multi Parameter Testing : Measures / Electric , resistance, continuity with buzzer, and diode testing, providing a comprehensive for basic circuit diagnostics. Data Hold Function : Includes a HOLD button to freeze readings on the LCD screen, ensuring clear visibility and easy in complex or fast paced work environments. Double illuminate Features : Equipped with a backlit LCD display and built in LED flashlight for enhanced visibility in dimly lit areas or during nighttime repairs.