9LEDIf you need to access the jumper settings, use a Phillipsscrewdriver to remove the screw at the base of the sensor.Lift the case up and the jumpers will be accessible.LEDThe LED is disabled by default and can only be enabled byopening the product case and adjusting the jumper. Whenthe LED is enabled, the bottom panel with the sensor willilluminate in one of the following colors when motion isdetected.Color DetectionIndicates that the microwave sensor detected motion.Indicates that an alarm was triggered because theinfrared sensor and microwave sensor both detectedmotion.