The Recessed Wired Light Set drop down into a 1″ diameter drilled hole to give a clean flush look. Each light is also constructed from a stainless steel bezel and a plastic, fully potted body. The solar panel also can be positioned remotely, thanks to the 2 meter long lead. The lights are also separated by quick disconnects, to make install easy, at a distance of 1.5 meters each. 3 AA NiMH user replaceable batteries. Lights measure approximately 1 5/8″ diameter. The light set is also manufactured by Taylor Made Products.