Attributes . 3 Adjustable Sensitivity Levels, Audio Mute Function, Automatic Calibration and Reset to Ambient, Comfortable Handle Grip, High Intensity LED Inspection Light,, Length is Optimum for A/C Dye Fluorescence, Long Life Stable Sensor, Low Battery Indicator, Sweep Mode Function to Pinpoint Leak Source, True Mechanical Pump, Unique Color Graphic LCD Screen, User Friendly Message and Error Screens . Names