1) u can put it on top of ur table without making a hole for it.
2) YOu will need to prepare 15amp -20amp for the hob, make sure your wiring can support the load.

My one is cheap one. But the word didn't fade away at all. I need to replace till the third one only can last that long. The first one got problem after 2week. Replace the second but not last long too. All under warranty. So far 3yrs using no problem at all. Nothing to replace.

Remember not to switch off the main power after use. Let the fan cool down the inside part and when the fan is off, than only switch off the power.

The last I know about 1 gas tong cost RM14.50. That is 8yrs ago. Now so expensive liau.