FLEXVOLT 60 Volt MAX Lithium Ion Cordless Brushless 1 2 in. Stud and Joist Drill with Batteries and Bonus Battery 2Ah Oceanic Oak Premium Security: Grade 2 AAA rating Maple Stair Nose Premium Security: Grade 2 AAA rating with high quality metal construction and illuminated silicone coated keypad Powerful dual field motor increases cooling and extends tool life DEWALT perform and protect line of power tools is designed to provide a high level of one or more of the following: control Equipped with the innovative bind up control feature called E Clutch System this drill increasing user control in bind up stall situations by sensing a stall during use and managing torque accordingly