1,Patent,Low current & built-in fuse to protect from damage 3,Low current & built-in fuse to protect from damage 4,With LED Special Features: 1,Patent design generating powerful torque than ever 2,Internal clutch automatically engaged to protect from recoil on the motor and insure the long-term use 3,Low current & built-in fuse to protect from damage 4,With LED light to illuminate dark place ...