Features and Benefits: Super sensitive leak detector of ALL halogen refrigerants Fast warm-up time and one-handed operation is perfect for automotive service Ultimate sensitivity (0.4oz/yr.) 14" Flexible stainless probe UL Classified and CE approved Detects all halogen refrigerants. 2 Second warm up time. Portable and cordless; uses 2 "C" cell batteries. Certified to SAE J1627 with a 2 year warranty.