The Kyoritsu KEW7218R is an electrical safety tester with test leads. It is designed to work with several Kyoritsu models including the KEW4140, KEW6016, KEW6516, and KEW6516BT. The device offers a wide range of features including integrated insulation testing, automatic resistance testing, low- and high-voltage insulation testing, overload protection, and more. It comes with four test leads, allowing for an array of testing applications and the ability to measure current, resistance, voltage, and insulation levels. It offers high accuracy and speedy measurements to ensure efficient and accurate results.