HAMMERHEAD 4V Lithium Rechargeable Screwdriver with Patented Circuit Sensor Technology and 9-Piece Bit Kit by HAMMERHEAD;

Patented Circuit Sensor Non-Contact Live-Wire Detector for outlets, switches, cords and fixtures;Safely detects current from up to 1 inch away; communicates with sound and red light;2 LED worklights for illumination in low-light situations;Integrated, rechargeable Lithium battery and USB charging port for convenient charging;9-piece screwdriver bit kit and magnetic bit holder