Description 12 250V AC DC Digital Voltage Detector Tester Pen LED Light Electric SensorFeatures 1 Its perfect for home use and handy when checking holiday lights 2 Item checks wire and tells you which is hot fire which is cold ground and incredible No battery needed 3 Size 13 7 x 3 x 2cm4 Material Plastic Metal5 Test range 12 250V AC DC Usage Voltage detection1 The final figures is the voltage value 2 It will indicate the lower value if not reach 70 of display value of the high value 3 Please touch the negative pole when test the voltage of DC 4 Inductance can be used when test the item with lower than 12V voltage 5 It must be connected to ground or the zero when test the item with the induction Sensor detectionWhen detect line side by side please increase the space between the lines or hand hold the detected item Break detection Move along the phase line when there is nothing shows in the display window it is the breakpoint Package Included 1 x Voltage Detector PenDetails pictures