High precise digital voltages tester with double color LED alerts, LCD display, and none detection for accurate voltages measurement from 12V to 250V Streamlines electrical diagnostics, its pocket sized design and alerts systems prioritize user during voltages testing tasks Crafted with tip, this pen styles detector features ABS construction for slip resistant grip and resistance Ideal for electricians, maintenance technicians, and DIYer enthusiasts requiring reliabled voltages verification in residential or industrial setting Safely troubleshoot live circuits, outlets, and appliances at homes, workshops, or construction sites with visual alarms