Description: 1. Live voice broadcast function, real-time measurement broadcast, making power measurement more convenient 2. The red laser positioning is more convenient 3. Fast use of line breakpoint detection 4. Intelligent zero line identification red screen live line/green screen live line 5. The five-gear sensitivity adjustment is more intelligent 6. Highlight the display screen, which is more convenient to read data, and has higher detection efficiency, which is conducive to accurate measurement of lines and clear viewing of screen values in a dark environment 7. Let you not be afraid to see the measured position in the dark environment, and eliminate the risk of electric shock 8. High sensitivity. Durable and not easy to break 9. Automatic shutdown: if the test pen does not operate within about 5 minutes and no voltage signal is detected, the test pen will automatically shut down, saving power and worry! 10. Humanized pen clip: when not measuring, the pen clip on the back can be tied on the clothes at any time, and can be carried around, making it more convenient to work Product parameters: Product model: VC1019 Product name: intelligent voice test pencil Alarm mode: audible and visual alarm+voice Probe: transparent NCV sensor Flashlight: white LED light Indicator light: red laser light AC voltage range: about 12~1000V Frequency: 50Hz/60Hz Zero-fire line judgment: according to the signal strength, the strong signal is the fire line NCV sensitivity: sensitivity can be increased through sensitivity adjustment button Safety level: CE CAT.II 1000V/CAT IV 600V Automatic shutdown: the test pen will be automatically shut down if there is no operation within about 5 minutes Battery: 2 AAA No. 7 batteries (shipped without batteries) Product included: 1 x VC1019 Intelligent Voice Broadcast Tester Pen 12V-1000V Red Laser Positioning Voltage Tester Electric Wire Detector NCV Sensor Probe