These photos were taken across the street from my condo in downtown Johor Bahru, Malaysia. From my window I could see Singapore.
It is at least a meter long from head to tail (probably longer, the tail is really long). Still it isn’t huge since it is very narrow (more like a very thick snake with legs than anything else).
A few months before seeing the lizard in the photos I saw a really big lizard 1 block from the Johor Bahru Customs Immigration and Quarantine complex. It was easily 2 meters long (head to end of the tail) and quite large (stout). It was a different species I am pretty sure.
I was standing for awhile looking at a cool patch of wild greenery. All of a sudden I heard a noise and looked down; this large lizard probably got tired of me standing so and moved quickly into the brush. I hadn’t seen it. I would guess it was sunning itself, before I wandered over. Too bad I didn’t have my camera ready.