Security lights are installed at three points around the clubhouse. Two on the pool facing porch side and one off the heater room. There are three modes: Mode 1: Sensor Mode will be triggered to full brightness when motion is detected at night, and will turn off when people leave. Mode 2: Dim to Sensor Mode. Light will turn on at dusk with dim brightness and will be triggered to full brightness when motion is detected, and turns back to dim light when people leave. Mode 3: On Mode. Light will automatically turn on from dusk at medium brightness for four (4) hours, motion sensor is off during this period, and it will switch to sensor mode at the end of the four hour period.