There are many light fittings available with built in motion sensors for use with security / automatic lighting.
Security Lights & Motion Sensor Installation Perth
Suffice to say if it has an Electrical Appliance Approval for use in Australia it won’t be dissimilar in operational functionality as described below in these sensors by Clipsal except minus the actual light fittings. Included is a couple of examples of light fittings with sensors at the end of this sensor selection. Our advice is it is better to spend on quality products as these will perform well and last.