... Digital voltage tester,test pen 1.Item No.TL-BYSC1027 2.Size:2x185 3.Material:import ABS 4.Competitive price Digital voltage tester ... Unique design on the touch point of test pen effective in electric test operation.2.Comfortable ... daily repair,gift and so on.7.Parts:LCD digital display, printed circuit boards, stainless steel buttons, screws, ... you as soon as possible. Digital voltage tester,test pen