Power tool and light unit

A light unit for a pneumatic tool comprising:

• a housing coupleable to a pneumatic tool;
• a light disposed in the housing;
• and
• a sensor disposed in the housing and configured to sense actuation of a switch on the tool by a user to control delivery of fluid to the pneumatic tool;
• and
• a controller coupled to the sensor and the light and configured to cause the light to turn on when the sensor senses that the switch is actuated.

A pneumatic tool comprising:

• a tool housing;
• a pneumatic motor disposed in the tool housing;
• a switch coupled to the tool housing and configured to control delivery of fluid to the pneumatic motor;
• a sensor target coupled for movement with the switch;
• a light unit housing coupleable to the tool housing;
• a light disposed in the light unit housing;
• a sensor disposed in the housing and configured to sense actuation of the switch;
• and
• a controller coupled to the sensor and the light and configured to cause the light to turn on when the sensor senses that the switch is actuated.