Voltage Tester - Non Contact Detector Pen Tool - No Contact Electrical Circuit Volt Sensor - Best AC Noncontact Voltalert by SomovWorld Electric VOLTAGE TESTER CAT IV 90~1000V WITH A FLASHLIGHT - Keep working highly protected and safely in the dark LED AND SOUND ALERT - Receive an instant result upon voltage (live wire) detection USER MANUAL - Get it via email after purchase and easily learn how to test with the current tester 100% NO QUESTIONS HASSLE FREE MONEY BACK - Try our electrical measuring instrument now Do you own inventive spirit and willingness to create and improve different facilities? Do you work with electrical wires, cables, cords, switches, etc. every day? Do you want to have complete control on the electrical installation in your home, office and garage? Cat IV 90~1000V probe meter - For wide range of use Lower sensitivity - Because you need the most precise testing. Never get false signals. Flashlight - Keep working highly protected and safely in the dark Led and sound alert - Receive an instant result upon voltage (live wire) detection CE &amp; RoHS certified - So you have no doubt about its quality and functionality Compact shape and Pen size - Feel comfortable using this professional measuring instrument Plastic body - So there is no risk of electrocushion Batteries included - Start testing immediately with your electrical device User manual - Get it via email after purchase and easily learn how to test with the current detector