RSP night sight rear light

[wisdom]

Does anyone have any experience of Rsp night sight rear lights I was thinking of getting one as a back up light.Jusr need to know if there any good.

 

[Big_Dave]

I have a pair of RSP city bright 1/2watt lights, and are very bright and cheap as chips, rear has super bright led and 2 less bright led's and 3 modes