This particular light you are looking at is coming with a motion sensor and it cannot be disabled.
If you require the floodlight without the motion sensor, this is the same item that operates as a regular floodlight, automatically operated dusk to dawn. This is also the brightest option out of the lights below:
https://sunnybunny.com.au/solar-lights/solar-flood-lights/powerful-30w-solar-flood-light-commercial-grade-outdoor-cob-led-light.html#/74-emitting_colour-white
Alternatively, you can also have a look at these floodlights that do not have motion sensor function:
https://sunnybunny.com.au/solar-lights/solar-flood-lights/commercial-grade-solar-flood-light-high-power-led-60w-100w-120w.html#/74-emitting_colour-white/148-model-60w
https://sunnybunny.com.au/solar-lights/solar-flood-lights/universal-powerful-solar-flood-light-double-led-head-remote-control.html#/74-emitting_colour-white/148-model-60w