Accurate Electrical assessment: Measures 3 500V alternating current and identifies live / neutral conductors without extra wires Versatile Electrical Tool & Fastener Driver: This multi functional device combines a circuit tester with magnetized flat / tip fastener attachments, allowing simultaneous electrical checking and screw adjustments Ideal for technicians, homeowners, and improvement enthusiasts handling outlet setups or basic wiring tasks Ergonomic Compact Design: Features insulated slip grip, automatic ( 180 seconds), and battery condition notification Digital Screen & Circuit Assessment: Immediate measurement display and connection checking loyal analysis before wiring changes Nearby Hazard Recognition: Detects live conductors before physical using close sensing Sound / visual warnings indicate electrical activity near outlets, wiring, or panel boxes during inspection work, Manufacturer: Oxxggkao