1.Warning:To avoid elecrtic shock do not operate the detector until the battery cover is in place and fastened securely.Keep your hands and fingers on the body of the detector and away from the probe tip
2.Risk of electrocution.Before using to check for voltage in an outlet always test the Voltage Detector on a known live circuit to verify that the Voltage Detector is working properly.
3.Touch the probe tip to a cord plugged into the outlet or insert it into the outlet hole
4.If AC electrical voltage is present the red LED(2) on the detector flashes and buzzer beeps
5.Auto power off/spotlight/Designed to international safety standsrd EN61010-1/600V CAT III
6.Battery:2*1.5V(AAA Type) the battery is not include
7.Operating Temperature:-10 Degree Celsius ~50 Degree Celsius