Emergency 3W led light bulb e27 RGB changing HL-Bulb-021

This smart RGB changing LED Bulbs are equipped with standard lamp holder interface, which

can be directly replace incandescent lamp or ordinary energy-saving lamps.

1.How to use it ?
For rgb led lamp,you can use the controller to turn on/off, to choose color,dim the brightness etc.
 
2.How many lamps are controlled with one controller ?
All the lights can be controlled with one controller, but if you want to control them effectively,
please stand straight to the lamp in 8m without any incumbrance . 
 
3.How about the Remote controller's style?
It has memory function, after you choose the color style, next time it will be same and do not need to be choosed again.