Canon EOS Rebel SL3 DSLR Camera with 18-55mm Lens (Black) - Manual (Page 463)

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Remote Control Shooting
Wireless Remote Control BR-E1 (Sold Separately)
You can shoot remotely up to approx. 5 m/16.4 ft from the camera.
After pairing the camera and BR-E1, set the drive mode to [ Q ] ( = 112).
For operating instructions, refer to the BR-E1 Instruction Manual.
Remote Switch RS-60E3 (Sold Separately)
The camera is compatible with the Remote Switch RS-60E3 that comes
with an approx. 60 cm/2.0 ft cord. When connected to the camera’s remote
control terminal, it can be pressed halfway and completely, just like the
shutter button.
z Remote control shooting is also possible during movie shooting ( = 252).