This router accessory attaches to the majority of plunge routers which have holes in their base to attach the manufacturers fence.
It has many functions - repeat space trenching across panels or boards, morticing for mortice & tenon structures,...
Battery driven, quartz mechanism which indicates the current time and tide position. This is the bare mechanism kit with hanger (included but not shown below), mounting hardware and hour, minute and red tide hands. It is suited to mounting in faces...