Achieve precise electric detection with our professional electrical tester, featuring a 100 500V ranges and ± ( 0.01% + 1) accuracy for stable identification of live and neutral wires in demanding electrical work The built in light illuminates brightly without batteries for fast electric indication, while the clip facilitates easy carrying, making it a dependable choose for frequent electrical testing Use this portable electric detector effectively on construction site, industrial facilities, or home repair projects to quickly assess electric existence and wire configurations for enhanced workflow Crafted from industrial grade steel and a strong copper cap, this robust electric tester superior effect resistance, enhanced sensitivity, and long lasting in harsh environments Designed for electricians, maintenance professional, and enthusiasts, this essential electrician tool ensures and efficiency in routine electrical inspections and troubleshooting tasks, Manufacturer: JUYAXIN