TOOGOO(R) AC 100-500V Pocket Pen Sensor Voltage Detector Tester Screwdriver Product Name : Voltage Detector Tester;Material : Plastic, Metal Voltage : AC 100-500V;Tip Size (Approx.) : 3mm/0.12" Shaft Length : 55mm/2.1";Total Size (Approx.) : 140 x 15mm/5.51" x 0.59" (L*D) Handle Color : Clear, Red, Silver Tone;Net Weight : 17g