Compact & User Friendly: Portable 19cm size with automatic shutdown after 5 minutes inactivity, featuring bright LCD display for visibility in various lighting Keywords: portable checker, electrician equipment Strong Metal Construction: Made from tough metal for long lasting use, designed for electricians and home repair users in demanding conditions Versatile Tool Design: This 11 in 1 screwdriver tester combines several functions in a single compact unit, suitable for household maintenance and professional electrical tasks Smart Sensing Feature: Built in proximity checking (30 1000V) and direct measurement (3V 600V) with visual / sound notifications for safe circuit inspections Keywords: proximity checker, electrical Correct Circuit Checking: Provides accurate potential readings with 3 step sensitivity display and live wire detection through field comparison for dependable electrical assessments Keywords: circuit inspector, correct reading, Manufacturer: Kalttoy