Main Features:
● Detects AC voltage without metallic contact
● White LED illumination light， convenient for operate in darkness
● Fits in a shirt pocket for convenience
● Features a alarm prompt sound
● Entire outer surface are non-conductive for safety， help avoid high voltage shock
● Quickly locates the hot， neutral and ground terminals in any receptacle
● Voltage sensitivity: 90 - 1000V AC
● Powered by 2 x 1.5V AAA batteries (not included)