Smart Non-Contact Voltage Detector Voltage Indicator Tester Pen 12-1000V voltmeter Electric Sensor Test Pencil Breakpoint Finder FY18D Features: AC voltage: 12V -1000V AC voltage detection range selection: the default AC voltage detection range when the tester is turned on: about 48~1000V Environment temperature measurement: yes Frequency: 50Hz/60Hz Alarm mode: screen display + sound alarm Display mode: LCD screen Flashlight: Yes Low battery indicator: Yes Live wire and neutral wire: sound/light/LCD analog display Non-contact sensitivity: adjustable Automatic shutdown: Automatic shutdown without induction or operation for 5 minutes. Technical support: 2Pcs x AAA battery (not included T-02A Specification: Voltage detection range:High sensitivity:AC 12~1000V Low sensitivity:AC 48~1000V Neutral &Live wire detection: According to backlight color change:yellow-Neutral wire;red-Live wire Signal intensity display: Yellow-weak signal indicator;red-strong signal indicator Signal intensity indication method: The signal is weak:the buzzer sounds slowly and the yellow light is on; The signal is strong,the buzzer is rapid and the red light is on. Alarm method:Sound &Light alarm Probe shape:Prolate shape Infrared indicator light:YES Flashlight:YES Size:165mm x 29mm x 24.6mm Power supply:2x1.5V AAA battery