-Non-contact AC voltage detector and LED flashlight -Detects from 90 to 600 V AC -Features dual-sensitivity for two levels of detection -Indicates proximity to AC voltage source with blue light -Indicates you’re at the source with red light -Ultra-bright white LED light with 100,000-hour bulb life -Safety rated to CAT IV 600 V -Operating temperature 0°C to 50°C -AAA battery included