[Non-Contact Voltage Tester with Wide Testing Range] This Non-Contact Voltage Tester Voltage within 12-1000V AC, All Electric Appliances in Your Family can be Tested by it. [Safe and Convenient] The Voltage Pen Tester Detectes Voltage in a Non-Contact Way, So Do Not Worry about There Could be any Possibility of being Shocked by the Electricity. [High Efficiency] As Long As Voltage is Detected, the Led in the Tester Pen Shine. [Multifunction, Easy to Use] It Also Acts as an Emergency Flashlight which can Illuminate the Working Area, You can Use the Non Contact Voltage Detector in , Lighting Fixtures, Switches, Outlets, Wires and Anywhere You Need it. A Professional Tester, It is Perfectly Suitable also for DIY'ers, Hobbyists and Home Owners, It Helps You Make the First and the Most Important Safety Check. The intelligent non-contact AC voltage detection pen can sense the electromagnetic field generated by AC voltage to more safely, reliably and quickly determine whether the object being tested has AC voltage. The instrument can sense electromagnetic fields of different intensities by automatically adjusting its own sensitivity (different intensities of electromagnetic fields have different color LEDs and different frequencies of sound indications), so that the instrument can accurately distinguish between the live wire and the neutral wire, and can also be used as a simple line finder to find the direction of the live wire of the AC line. Note:Due to different factory batches, if there is slight difference in appearance, it not affect the use. Power Supply:2 x AAA batteries(Not included batteries) Colour:Yellow Material:ABS Package Contents: 1 * voltage tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.