When electric circuit of your home， office， or factory is out of work， while you cannot make sure where is the problem. At this moment， a test pen is very conductive to check out problems safely and effectively. This amazing Professional LED Voltage Alert Induction Test Pen is worth noticing. Made of PVC， this test pen is durable and lightweight， convenient to carry and excellent for use. Meanwhile，the outer shell features fine insulation and non-conductivity functions， vary safe to use. Believe in it and it is effective to recognize firing line and null line， find out breakpoint， induce alternating voltage， etc.Don’t delay!                                    Features             Made of superior material to ensure its service life<br> PVC material is insulated and non-conductive  <br> Inner metal needle features fine stability and high sensitivity<br> Stable performance makes it test electric precisely and safely<br> Compact and lightweight to use<br> A useful device widely used in various fields  <br>                                                            Specifications             Model     W1207010     <br> Quantity     1     <br> Color     Blue & White & Grey     <br> Material     PVC Casing     <br> Application     Powered by 2 x AA 1.5V Batteries (Not Included)     <br> Dimensions     (6.02 x 0.95 x 0.71)" / (15.3 x 2.4 x 1.8)cm (L x W x H)    <br> Weight     0.88oz / 25g     <br>                                                             Package Includes            1 x Test Pen<br>