LIMITED TIME SALE Voltage Tester Pen Non-Contact with LED Flashlight - 12V to 1000V Dual Range for Broad Application (Voltage Tester Pen) PRACTICAL AND CONVENIENT WAY TO TEST ELECTRICAL LINES - Accurately detects AC voltage ranging from 12V-1000V, distinguishing them into 3 voltage levels. EASY TO CARRY AND HANDLE - Durable polycarbonate plastic resin ensures a compact build and its pocket clip allows easy handling ENSURING YOUR OVERALL SAFETY - Now, you don't have to call a professional electrician nor make contact with the wire just to know whether electricity runs through it. This device would determine whether there is some form of electricity running through the wire without you actually needing to touch it. ENERGY EFFICIENT WITH CONVENIENT TORCH LIGHT - Auto power-off feature conserves energy while the LED torch allows operation even on dark corners.