Professional Rotest 4 Electronic Gas Leak Detector with Protective Case your reliable solution for fast, accurate detection of combustible gas leaks around residential, commercial, and industrial installations. \n\nBuilt by Rothenberger a trusted name in high-performance tools this gas leak detector features advanced semiconductor sensing technology, flexible reach, and intuitive audible/visual alerts to pinpoint even the smallest leaks. \n\nSupplied complete with a robust carry case and powered by common AA batteries, it\u2019s perfect for HVAC technicians, plumbers, maintenance engineers, and safety professionals alike\n\nAt a Glance\nDetects all common flammable gases including natural gas, propane, butane, methane, acetone, alcohol and more.\nAudible tic rate + multicolour LED indicators clearly signal rising gas concentrations.\n42 cm flexible testing head with integrated lamp reaches into dark and tight spaces.\nRugged ROCASE protective case for transport and storage.\nPowered r