(1) Change color within 5 meters
(2) Timer setting:Built-in timer runs for 2, 4, 6, or 8 hours and close in the rest of the time.
(3) Plug the laser in power and press the "ON/OFF" button WITHIN 5 seconds to sync the remote to the light.
(4) To sync two or more lights to the same remote, unplug them all, then plug them back in at the same time, and AFTER plugging them in, press the ON/OFF button within 5 seconds.