For Sale: Listing is for ONE light, have two available. The one with box and instructions is $25, the other is $20.
These are high powered strobe lights which will flash at an interval of a few seconds or so when switch is turned on. Both currently (6/2019) have working batteries in them, no guarantee on battery life. You can buy lithium replacement batteries if needed, some reseach online indicates two inexpensive CR123 batteries might work instead.
Both mint or near mint condition.
Video taken during testing which kind of shows them flashing: https://drive.google.com/open?id=13HTnaUv5zr8u2EF85e8fLSpJmKIE7-XR
Email for additional and/or higher resolution images.
Email your zip code for a shipping quote- should be between $X.99 and $X.99 if you are in the continental USA. (June 2019).