at the touch of a button

Very easily and with little effort, as if it could be done by pressing a single button. The phrase is often used quite literally. My new security camera is connected to an app, which means that I can see what's going on at my house at the touch of a button. With this snazzy machine, I can have a perfectly-made cappuccino at the touch of a button! When my supervisor left me in charge, she gave me a walkie-talkie, thank goodness, so we could still communicate at the touch of a button.

at the touch of a button

COMMON If you can do something at the touch of a button, you can do it very easily and quickly, usually because of new technology. Specially trained staff will be able to trace threatening calls at the touch of a button, and pass the information to police. The Powerglyde will open and close your curtains for you at the mere touch of a button. Note: The nouns push and press are sometimes used instead of touch. I just typed in `data communications' and was sent all this information at the press of a button.