VEVOR Voltage Tester, Non-Contact Voltage Detector with Adjustable Sensitivity, Dual Range AC 12V-1000V/48V-1000V Live & Null Wire Tester Pen with Visual and Audible Alarms, CAT III 1000V Rating Sound & Light Dual Alarm Non-Contact Design High & Low Adjustable Sensitivity Thoughtful Designs Easy to Carry Ready to Use Item Model Number: HT100,CAT Rating: CAT III 1000V,Product Dimensions: 6.2 x 1.1 x 0.9 in / 157 x 27.6 x 23.1 mm,Voltage Range: High Sensitivity: 12V - 1000V ; Low Sensitivity: 48V - 1000V,Net Weight: 0.1 lbs / 0.052 kg