The new HUAWEI P30 and P30 Pro boast a range of new camera technologies, including a Super Spectrum sensor and periscope 5x zoom. We explain how the new HUAWEI P30 cameras work.

How do average speed cameras work? Average speed cameras use automatic number plate reading (ANPR) technology to record your speed between two points on a road, RAC explains.

When put together, the term "DSLR" itself is enough to explain the science behind how these cameras work. A digital sensor allows for instant image previews and better quality in low-lit environments.

Average speed cameras are different to mobile and fixed speed cameras, which capture motorists speeding at one particular point. So how do they work?

Average speed cameras are different to mobile and fixed speed cameras, which capture motorists speeding at one particular point. So how do they work?