Sometimes we need to test if some objects can conduct electricity. With this great AC/DC Voltage Detector Tester Pen， you can judge whether something is the conductor easily. Designed with outer plastic surfaces， the voltage detector without metallic contact are non-conductive to guarantee your safety. What&acute;s more， you can quickly locates the hot， neutral and ground terminals in any receptacle with this AC/DC Voltage Detector Tester Pen. And it can fit in a shirt pocket which brings you much convenience. This item is your best choice!                                    Features             Made of plastic<br> Fits in a shirt pocket for convenience<br> The non contact detector pen designed for electrical testing<br> This tester pen is only used to judge whether the conductor<br> All outer surfaces of the voltage detector are non-conductive for safety<br> Detects voltage without metallic contact<br> Quickly locates the hot， neutral and ground terminals in any receptacle<br> Operation may be affected by difference in socket design and insulation thickness and type<br>                                                            Specifications            Dimensions    5.20" x 0.87" x 0.59" / (13.2 x 2.2 x 1.5)cm (L x W x H)    <br>Color    Yellow Black    <br>Weight    38 g / 1.34 oz    <br>Handle Materials    ABS UL 940V-0    <br>                                                            Package Includes            1 x AC/DC Voltage Detector Tester Pen2 x Silver Oxide Batteries