The RIDGID 18-Volt Collated Screwdriver has a powerful 3,500 RPM motor with an adjustable depth of drive. The nose piece is also adjustable and the included bits can be easily changed without tools for a variety of screw types. This tool features a lockable switch trigger that can be set to turn screws in either direction. It is fully assembled and includes everything except the screws to get started. The compact 18-volt lithium-ion battery (included) charges in about 25 minutes.