Zehui Electrical Voltage Tester Pen Non-Contact Digital Handheld Pencil Detector Test with LED Flashlight - 90V to 1000V

1. SAFETY - All outer surfaces are Non-Conductive for Safety. you will touch the wire or subject with the pen tip and detect voltage without metallic contact.
2. PRACTICAL AND CONVENIENT WAY TO TEST ELECTRICAL LINES - Accurately detects AC voltage ranging from 90V-1000V.
3. PRECISE MEASURING - This Test Pencil is the world