Features: Adopting 5.8GHz working frequency, it is little affect by external factors, and its performances is stable. Sensitive sensing accurately identifies movement of living and nonliving organisms, and minimizes the rate of erroneous action. Automatically identify the strength of the surrounding light, light is on when a set lighting requirement is meet and someone is detected, otherwise light is close. When the human body leaves the sensing area, the Sensors starts to calculate the delay. When the delay is over, the automatically turns close and the load appliances stop working. The dials type adjustment Switches can adjust the sensing distance, sensing time, and light control brightness. Can be adjusted according to actual needs. Specifications: Materials: ABS Diameter: about 12cm/4.72inch Detection angle: 360 degrees Power consumption: 0.9W Detection distance: 2-8.0m/78.74-315inch High frequency: 5.8GHz Delay time: 10 second to 30 minutes Working frequency: 50/60hz Working voltages: AC100-240.0V Package Includes: 1pc Microwave Sensors Switches note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.