Accurate Voltage Reading - electrical tester designed with digital LED display to accurately show DC voltage.Operating range of 5-90V DC to work on most vehicle electrical systems. And the LED ensures clear visibility during the day or in dimly lit areas,which is for engineers who pursue high-quality products Heavy Duty Test Light with Visual Indicators - The circuit tester is a voltmeter tester with visual indicators.The alligator clamp can be connected to either positive or negative ground, with the probe touching the opposite side. If positive, the red light will illuminate. If negative, the green light comes on Extended Spring Wire with Alligator Clip - Paired with an alligator clip for easy one handed operation. The electric fuse tester will come with a heat and oil resistant 140-inch PU spring wire,the user can perform an electrical test anywhere in, or around the vehicle, offering exceptional flexibility and durability Durable and Reliable - With sharp stainless steel probe for