You mark when you can touch so you don't burn your hand;
Automatic shutdown:
If it operates at one power for a long time;
If it reaches a very high temperature/overheats;
Temperature gauge with 3-level indicator;
Lock function;
It is also possible to order a frameless version;
If you accidentally turn off the Surface, it will remember the options you set for 10 seconds and will continue to work with those options when you turn it on again – you won't have to set it up again.