It looks like it might be discontinued, but there are other similar models available: https://www.amazon.com/s/ref=sr_nr_p_36_2?rnid=386442011&key...
If you try this a good helmet mount is important. This one works well for my hardshell helmet: https://www.amazon.com/gp/product/B008BNEXH4
It looks like it might be discontinued, but there are other similar models available: https://www.amazon.com/s/ref=sr_nr_p_36_2?rnid=386442011&key...
If you try this a good helmet mount is important. This one works well for my hardshell helmet: https://www.amazon.com/gp/product/B008BNEXH4