AC Voltage Detector

NON-CONTACT TEST VOLTAGE SENSITIVITY, 100 TO 240V AC FREQUENCY, 50/60Hz DETECTION DISTANCE: <5mm OVER VOLTAGE: CATEGORY III 600V OPERATING TEMPERATURE, 32 TO 120^oF(0 TO 50^oC) STORAGE TEMPERATURE: -4 TO 140^oF(-20 TO 60^oC) HUMIDITY: <85%RH BATTERY: 2AAA BATTERIES DIMENSIONS: 148 X 20 X 25mm WEIGHT: APPROX. 40g SAFETY: FOR INDOOR USE AND IN ACCORDANCE WITH OVERVOLTAGE CATEGORY III, POLLUTION DEGREE 2.