Description: Functional: It is a useful electrical test pen for testing 12-250V for AC and DC current, and quickly testing for AC/DC voltage. Easy to Use: Press the "inductive breakpoint test" button, if there is a breakpoint in the charged circuit, move the test pen, the point where the charged symbol disappears is the breakpoint. Insulated Handle: The pen comes with a handle that is soft, insulated, and comfortable to hold. Durable Material: Made of steel and insulated plastic of high class, the test pen enjoys strong hardness and wear resistance. Exquisite Workmanship: The detector is processed by exquisite workmanship so that the outer shell is firm and sturdy, ensuring the safety. Specification: Material: plastic+steel. Color: yellow/red. Battery: 3*AG10(1.5V) battery (not included). Size: Approx. 14.3x2.6x2cm/5.62x1.02x0.79inch. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Electrical Test Pen. Functional: It is a useful electrical test pen for testing 12-250V for AC and DC current, and quickly testing for AC/DC voltage Easy to Use: Press the "inductive breakpoint test" button, if there is a breakpoint in the charged circuit, move the test pen, the point where the charged symbol disappears is the breakpoint Insulated Handle: The pen comes with a handle that is soft, insulated, and comfortable to hold Durable Material: Made of steel and insulated plastic of high class, the test pen enjoys strong hardness and wear resistance Exquisite Workmanship: The detector is processed by exquisite workmanship so that the outer shell is firm and sturdy, ensuring the safety