HAMMERHEAD 4V Lithium Rechargeable Screwdriver with Patented Circuit Sensor and 9-Piece Bit Kit with Innovative Bit Grip HAMMERHEAD circuit sensor Li-ion cordless screwdriver features non-contact technology, Lightweight design with an ergonomic handle, is easy and comfortable to use, Nine 1-in bits make it easy to tackle a variety of light-duty tasks Safely detecting live wires from up to 1-in away in outlets, switches, cords and fixtures, Integrated wire stripper and wire bender make this tool ideal for electricians Single-speed motor produces 230-RPM max in forward and reverse, so you can tackle household chores with ease, 4-volt, 1.3-Ah integrated Li-ion battery with USB charging port allows for convenient charging 2 LED work lights allow you to keep working, even in low-light conditions Includes 4-volt Li-ion rechargeable screwdriver with integrated battery, USB charging cable, nine 1-in bits and a magnetic insert bit holder