remote control

noun2

1. •
   A device used to operate an appliance (such as a television, vehicle, or mechanical toy) from a short distance away.

   • A single slice of this could leave you supine in front of the Queen's speech without even the wherewithal to reach for the remote control. — 2011
2. •
   A means of operating a device from a distance, such as radio control or wire-guided control.

   • The bomb was detonated by remote control.