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Actually my own recommedation is different.

Having steady rear lights mounted at the socks/ankles is the way to go. The movement of the feets makes you instantly recognisable and standing out from very far away. There is a (australian I believe?) company that sell pedals with integrated lights too but I can't remember the name.

I am still using a regular rear light powered by a dynamo hub though, as batteries can always die without warning.

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" b) If you've got the money, consider a radar instead."

Can you explain this? What is this and how does it replace a taillight?

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A bike radar alerts you about vehicles behind you. It does not replace a taillight, rather they always (I think?) have taillight integrated. For more details:

https://www.cyclingweekly.com/group-tests/best-radar-bike-li...

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Radars don't save you nor do they tell you which motorist will run you over and which will not. So it doesn't help you take decisions on wether to take evasive actions such as jumping in the field next to the road.

Radars don't push cars away from cyclists.

They are more a placebo than anything really.

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  > a) Try to find ones with a pulsating mode, blinding other road users by shining bright rapidly blinking lights into their eyes is not good, actually.
Note that in some (at least European) countries, only steady light is legal.
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I’d replace #5 by “don’t use battery-driven lights, use a dynamo hub” (except for e-bikes, of course, which also won’t have strobing lights).
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