Features: Insulation operation ensures the safety of testing. You can use this non-contact AC voltage detection to check whether a cable, wire or socket contains AC voltage. Voltage polarity is indicated in following manner (12-1000V AC / 48-1000V AC), which is more sensitive and flexible. Lightweight, compact tool with pocket clip provides convenient storage and quick access. It can be used for home appliance repair, circuit inspection and DIY. Perfect tool for home users, electrical and electrical system engineers, etc. Specifications: Material: ABS Size: 155x20x20mm/6.1x0.79x0.79in 12/48 v to 1000V intelligent audible & visual alarm Intelligent buzzer Lighting flashlight Live judgement High pressure alarm Drop wear-resisting Sensitive switch Package Includes: 1X AC Voltage Tester note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.