With the on-camera technology of analyzing person and vehicle shapes, RLC-542WA offers accurate detections, thus greatly reducing the false alarms on trivial objects’ movements. Its motorized varifocal lens provides a viewing angle of 27°~96°*, and its 5X optical zoom allows you to zoom in for astonishing details or zoom out for maximum coverage. RLC-542WA provides you with 5MP super HD visual quality & built-in microphone for audio recording. At night or in the dark areas without external light sources, the camera’s infrared lights enable excellent nighttime recording. RLC-542WA supports both 2.4 GHz and 5 GHz (5.8 GHz) frequencies to ensure better performance for camera networking. This smart camera supports 24/7 continuous, movement-triggered and scheduled recordings.