Multi Functional Design: Combines circuit testing, LED illuminate, and screwdriver functions in 1 compact tool for electricians and enthusiasts Keywords: multifunction tester, electrician pen Ergonomic & Strong Construction: Produced of Effect resistant ABS Component with comfortable grip design for fatigue Easy use in various working conditions Keywords: ABS tester, professional tools Long Lasting: Powered by efficient batteries that provide extended usage time without frequent replacements for uninterrupted work Keywords: battery tester, Strong tools Smart Digital Display: Features a clear LCD screen to show real time Electric readings, making electrical testing easier and more accurate than traditional Meter pens Keywords: Electric tester, digital multimeter Double Direction Function: The built in ratcheting screwdriver allows easy tightening and loosening in tight spaces with its bidirectional rotation capability Keywords: screwdriver, electrical tools, Manufacturer: Kaeltsyn