Confidently take on electrical projects with the Hyper Tough Circuit Tester. The easy-to-use tool determines if power is flowing to your outlets. This helps determine if outlets are functioning properly and increases safety when servicing in-wall receptacles. Easily detect live voltage between 90V and 300V max AC/DC. It is light weight and compact to conveniently fit in tool belts, toolboxes and more for home use. Two built-in probes allow use directly out of the package and eliminate the risk of losing detachable leads. The tester features an intuitive LED indicator, which makes safely performing electrical projects fast and easy. When the indicator illuminates, electricity is present. If power is not flowing to the outlet, the LED does not glow. It is compatible with 120VAC outlets equipped with two and three slots as well as three-slot 240VAC receptacles to accommodate outlets found throughout your home. Check your power with the Hyper Tough Circuit Tester. Voltage range – Conveniently detects live voltage of 90-300V max AC/DC in outlets Work safely – Compatible with 2- and 3-prong 120VAC as well as 3-slot 240VAC outlets to test of power is flowing to the receptacle for increased safety when performing electrical maintenance Easy indicator – Built-in LED glows when voltage is detected and does not illuminate if the outlet is not powered Ready to use – Color-coded probes do not need to be attached and eliminate the risk of losing integral parts of the tester Home and hobby use – Light-weight and compact construction is perfect for tool belts and toolboxes