Practical Build Layout: A combined outer shell and metal parts form a work ready structure that is easy to handle during routine checks while staying for repeated carry and storage Fast Problem Checks: This AC coil detector helps users check voltage abnormalities during troubleshooting, so electricians and maintenance users can reach the next inspection step with less delay Supports Real Repair Scenes: Use it for home circuit maintenance, electrician checks, and industrial inspection when you need a portable tool ready for quick check around wiring tasks Pocket Carry Structure: A compact 5cm / 1.96inch body and 1.6cm / 0.62inch width pair with a carry chain, making the tester easy to keep on a tool bag, daily carry loop, or small service pouch Clear Single Unit Supply: The package includes 1 detector, helping buyers understand this is a compact single tool purchase for everyday troubleshooting rather than a larger set, Manufacturer: APGLSXY