Certification : none : Mainland ChinaModel Number : Intelligent Voltage Tester PenBrand Name : VokttaDIY Supplies : ELECTRICALDimensions : Circuit IndicatorOperating Temperature : Intelligent Voltage TesterAccuracy Class : Digital Power DetectorPower Supply : DCDisplay Type : Analog OnlyB14 B12 B09 24V-250V Electrical Pen Portable Tester Screwdriver Probe With Indicator Light Sound and Light Alarm Test Pen ToolsFeatures:1. Electrical on-off detection: The hand places the touch electrode through the human body circuit, the inner core of the plug and wire is intact and the LED green light is on, and if it does not light up, the wire core is disconnected and the contact is poor.2. To judge the zero fire wire, distinguish and identify the zero fire wire, insert the electric pen bit into the jack, and the green light is the fire wire,Inserted into another jack and no light is on, it is a neutral wire3. Smart motherboard chip, professionally upgraded chip control program with higher security and er life4. High-brightness work makes the measurement easier, still clearly visible in the sun, and has a er life than ordinary bulbs5. It is more convenient to carry around for work, considerate design, and be attentive everywhere6. Electroplated nut styleProduct :Model: B12LED lamp beads: high-brightness double-color lamp beads, electroplating nut typeMeasuring range: voltage 24V~250VBattery model: 3*LR41 on battery (built-in battery for delivery)Bit material: chrome vanadium steel bitSize: 140.8*21.3mmBit diameter: 3.5mmPackaging List:UnpackagedB12 24-250V flat-blade screwdriver measuring pen electroplating nut*1