Features 1、High Accuracy Sensing Technology: This induction power failure test pen uses high accuracy sensing technology for fast and accurate measurements. 2、Multifunctional: This portable digital voltage circuit tester pen is multifunctional and is suitable for home and automotive circuit testing. 3、Compact And Portable: This electric testing pen is small in size and light in weight, which is very convenient to carry around with you and use. 4、Easy To Operate: This digital voltage tester pen is easy to operate, you just need to hold it close to where you want the side to be close. 5、Sturdy And Durable: This voltage tester pen is made of excellent metal and plastic materials, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. Specification Item Type: Electric Testing Pen Material: Metal, Plastic Size: Length: Approx. 13cm / 5.12in Package List 1 x Electric Testing Pen