AUTO RANGE - The convenient auto-ranging operation allows you to select the right measurement range when working on a variety of components, from small electronics to main electrical sources. DATA HOLD - The Data Hold function allows you to freeze the current display so you can take notes of the current reading. NCV DETECTOR AND OVERLOAD PROTECTION - The built-in, non-contact voltage detector detects the presence of voltage when placed near live wires, outlets, switches and more. Full range overload protection for additional safety during measurement THERMOCOUPLE PROBE - Thermocouple probe for temperature measurements. Temperature measurements can be displayed in either Fahrenheit or Celsius. BIG LCD DISPLAY - Features bright white backlight and large digits for easy reading even in dark and dimly-lit testing environments