Pound in light

In this house we're building there's a "faux" hallway wayyy in back. It's not possible to easily wire or light that hole. Here's how I tackled that one. There are some small lights designed to pound directly INTO a tape run. No adaptors or wires needed. Problem is, in this spot we cannot even get TO it with a hammer NOR can we SEE what we're doing. Here's one of the two types we have.