Pocket Pen Sensor Voltage Tester Screwdriver Clip Tester Voltage Test Pen Material: Chromium steel Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 30g Package size: 0x0x0cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) Tester With Plated Spring Steel Pocket Clip Screwdriver Width: It Can Work As A Circuit Tester Or A Screwdriver, Makes Work More Convenient How To Use: When Using The Voltage Tester, Please Insert The Screwdriver To The Bottom, Hold The Insulated Handle With The Thumb And Middle Fingers, And Hold The Cap At The End Of The Voltage Tester With Your Forefinger Very Easy To Use, Toolbox Companion The Voltage Tester Pen Is Used For Testing The Circuit And Distinguishing Whether The Object Is Electrified; The Higher The Voltage, The Brighter The Neon Tube Light.Long-lasting Neon Lights Have An Indication Every Time