GB Electrical GET-213A  Heavy-Duty 4-Way Voltage Tester
The Gardner Bender 4-Way Voltage Tester is a live circuit tester that indicates 120, 220, 227, and  440 volts AC and 110 volts DC.  Individual resistors and bypass resistors for each voltage range assures reliability. Its functional, lightweight design features twin flexible leads and convenient pocket clip. It is also provided with reinforced casing and test leads. Gardner Bender has 50 years of experience making professional electrical tools and supplies of consistently superior quality, so you can count on high-performance products at a fair price.