Vktech Black Digital AC DC 12-250V LCD Display Voltage Electric Sensor Tester Pen Material Plastic, Metal Voltage AC / DC 12-250V Tip Size (Approx.) 3mm / 0.12" Total Size (Approx.) 13 x 1.8 x 1cm / 5.1" x 0.7" x 0.4" (L * W * T ) Color:Black