This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com ACCURATELY MEASURES: Voltage, DC current, resistance, diode, continuity and more TROUBLESHOOTS: Automotive and household electrical problems safely and accurately EASE OF USE: Data hold and large digital display with backlit LCD for visibility in dimly light areas SAMPLING SPEED: 2 times per second. Overload protection on all ranges; Built-in kickstand for hand free use. Protective rubber corner guards for drop protection; Note: the meter can not be used to test AC current and can not be used to test AC voltage like the voltage of RECEPTACLE WHEN the dial is located in the DC current range