Non-contact AC voltage detector and LED flashlight combined into one easy to use pen-style design. The LVD2 is a CAT IV 600 V rated non-contact detector that is suitable for commercial and industrial applications. The LVD2 includes dual sensitivity turning blue 1 to 5 (2.54 cm to 12.7 cm) from the source and red when at the source. Dual Sensitivity LED light with 100,000 hour life Detects from 90 to 600 V AC Rated to CAT IV 600 V Dual Levels of Detection Blue indicates proximity to AC Voltage source Red indicates youre at the source Operating temperature 0 deg C to 50 deg C Ultra-Bright White LED 100,000 hr bulb AAA battery included