... RF remote control technology, as RF signal sender, RF frequency: 2.4GHz。●Sleep-wakeup design, for energy conservation.●Transmission Distance:up to ... learning is not successful, need to repeat the step 1).2. Pressing No. key 3 times in 3 seconds after step ... planned to be matched to "1", press "1" in step 2). Corresponding to the operation, the LED's brightness will change ...