Product features 1. A variety of functional uses, power on that is measured, automatic identification of gear 2. NCV non-contact induction contactless power measurement: built-in sensor, red light when the detection of nearby AC voltage indicator flashes, the closer to the power supply alarm more urgent 3.Live zero fire line line wiring detection: LIVE mode insert the meter head into the hole to determine the zero line fire line fire line display H accompanied by a beeping sound, zero line no response 4. Line breakpoint detection breakpoint judgment: in NCV non-contact voltage detection mode, single-stranded line with power along the line to investigate the location of the breakpoint 5. High bright flashlight for you to illuminate the front: no longer afraid of the dark environment at night can assist in lighting the use of invisible measurement location, to eliminate the risk of electric shock Specification Product Model: A3005 AC voltage: 0.8V-600V DC voltage: 0.8V-600V Resistance: 0.1~40M NCV induction Live zero fire line Buzzer Backlight screen Auto Power Off Data Hold: Low battery alert: Material: ABS Maximum count: 4000 Battery: AAA*2 (shipped without battery) Package and list. (item ship according buyer choose) Package Included Package A : multimeter * 1 + meter pen * 1 + manual * 1 Package B : multimeter * 1 + meter pen * 1 + manual * 1 + combination line * 1