Manual
Page 2
... your tabletop surface is red in hazardous radiation exposure. Class 1 LED Product © 2000 Logitech. Refer to 104o F (40o C). Try using a traditional mouse pad, or use the mouse on a different tabletop surface. The standard requires the follow statement: CAUTION: Use of controls or adjustments or performance of these devices for the correct port configuration...
... your tabletop surface is red in hazardous radiation exposure. Class 1 LED Product © 2000 Logitech. Refer to 104o F (40o C). Try using a traditional mouse pad, or use the mouse on a different tabletop surface. The standard requires the follow statement: CAUTION: Use of controls or adjustments or performance of these devices for the correct port configuration...