one remote control for opening gate close white background

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One remote control for opening a gate, close-up, on a white background. Royalty Free Stock Photo

One remote control for opening a gate, close-up, on a white background.

A remote control unit (RCU) is an electronic device for remotely controlling another electronic device at a distance. Both stand-alone and non-stand-alone (wired) versions are known. Wireless devices use infrared or radio frequency electromagnetic radiation to transmit control signals. Structurally, the remote control contains an electronic circuit, control buttons, and (usually) a self-contained power source.