Visual LED bar graph indicates the presence of voltage The higher the voltage sensed, or the closer to the voltage source, the more LEDs light up Bright flashlight illuminates work area and may be used independent of voltage detection function Personalize for quick access to your preferred functions: Full Power; Power Save (25%), Strobe (12 sec), SOS, Momentary On/Off Includes portable battery charger, AC Converter and NiMH battery pack Uses either NiMH Rechargeable Battery Pack or (3) C-Cell Alkaline Batteries Beam Distance: 273m (Alkaline) or 258m (Rechargeable) - Note: As product improvements are made, performance may change without notice Lumens: 197 (Alkaline) or 189 (Rechargeable) - Note: As product improvements are made, performance may change without notice