Yes, you can. To manually turn off the sensor function, also known as manual override, follow these steps:(1) Turn off the power of the wall light.(2) Turn it on within 2 seconds.(3) The light will turn on and stay on for about 8 hours. It will be turned off when the sensor detects light in the morning.(4) To return to the AUTO mode (turn off the Manual override), turn off the power, wait for more than 10 seconds, and then turn on the power. The light will revert to AUTO mode.