You can make power-enhanced attacks of opportunity.
Benefit
To use this feat, you must expend your psionic focus.
When you make an attack of opportunity, you can use any power you know with a range of touch, if you have at least one hand free. Manifesting this power is an immediate action.
You cannot use this feat with a touch power whose manifesting time is longer than 1 full-round action.
Using this feat increases the power point cost of the power by 6. The power’s total cost cannot exceed your manifester level.
Normal
Attacks of opportunity can be made only with melee weapons.