Could be worth something to the 50 - 60 advertisers for the exact search term.
Gets 1.5k searches a month. CPC around $1.50
The only thing i would say is that it is a very inexpensive product and most companies wouldn't sell just these. They would be part of larger offerings.. They may sell hundreds of other products as well.
Its domains like this that i think would suffer with the new gTLD's .Lighting
I suggest you contact some of those advertisers and see how you get on.. best of luck