Boasts IP56 waterproof rating to damage and high brightness LEDs with increased resistance for clear visibility and extended safe testing ranging Compact 12.7cm blue body with a handy clip for easy carrying, ideal for electricians, DIYers, and professional in various settings Features advanced detection to identify and differentiate between live and neutral wires in circuits for precise electrical troubleshooting Includes an auto testing feature to verify operational detect circuit connectivity or breaks, ensuring reliably every time This screwdriver testing pen with polarity identification for distinguish positive and terminals efficiently, Manufacturer: Oxxggkao