Non-contact speed selector switch in rotary power tool

A power tool comprising:

• a housing including a motor housing portion and a handle portion extending therefrom, the handle portion including a foot extending therefrom opposite the motor housing portion, the motor housing portion defining a longitudinal axis;
• a battery receptacle defined in a bottom surface of the foot in which a battery pack is receivable;
• an electric motor positioned within the motor housing portion;
• a trigger switch configured to activate and deactivate the motor;
• and
• a mode selector switch positioned in the foot of the handle portion, the mode selector switch including an actuator configured to adjust an operational mode of the power tool;
• wherein the foot defines an aperture in a top surface through which a portion of the actuator protrudes, and wherein the aperture restricts movement of the actuator to translation along an axis transverse to the longitudinal axis.