Features: Introducing the NonContact voltages Tester, design for safe and efficient detection of live wire from AC90V to AC1000V without direct contact, ensuring user safety with audible and visual alerts. Featuring a compactly ABS body with builts in LED light and alarm system, this voltages detectors pen provide instantly visual and audible alerts when voltages is detected. Ideal for both professional electricians and DIY homeowners, this electrical tester ensures reliable performances in various electrical tasks and environment. Safely check outlets, circuit breakers, or appliances in residential, commercial, or industrial setting with this portability noncontact voltages detectors. Electricians, maintenance, service, safety personnel, and homeowners can quickly test for energizeds circuits Specifications: Component:ABS Size:Approx.15x2cm/5.9x0.78inch Frequency ranges: 50 to 500Hz Test voltages ranges: AC90-1000V Use scenario: Home use Power: 2pc 3A Batteries (Not included) Package Includes: 1pc voltages Detection Pen note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.