<b>This dimmable ceiling light needed existing wiring to connect,not battery operated.</b><br><b>There have just red and blue wires,which is hot,which is cold?</b><br>Either way works.The brick is a simple transformer and is not dependent on polarity. <br><br><b>Will this still work with the wall switch,or only controlled by the remote?</b><br>Yes,the wall swith allso works.But it WILL NOT save the last setting.<br><br><b>How do you pair the remote?</b><br>Turn the lamp on, and within 3 seconds, press and hold the remote's ON(I) button until the lamp finishes flashing 3 times.<br><br><b>How do you unpair the remote?</b><br>Turn the selected lamp on,and within 3 seconds,press and hold the remote's ON(I) button until the lamp finishes flashing 6 times.<br><br><b>Is this downlight compatible with 3rd party remotes,or can the remote control 3rd party light ?</b><br>Sorry,neither works.Our remotes or lights are uncompatible with other 3rd party products.<br><br><b>Smart LED Ceiling Light Parameter:</b><br>Input Voltage: AC86-265V(110V/120V works)<br> Shell Material: Aluminum body and Acrylic cover<br> Light Source: 2835 SMD LED chips<br> Luminous Flux: 1440LM<br> Beam Angle: 150°<br>Body Color: White<br>Warranty: 2 years<br>Color temperature:3000K-6000Kadjustable<br>Life span:50000 Hours<br><br><b>Features:</b><br>Memory Function:Turning the ceiling light off and on using the remote control WILL save its last setting.<br>Longer Life Span:Aluminum alloy housing for better dissipation,usability span up to 50000 hours.<br>Allow set 4 groups lights:You can easily dim or brighten the fixture,change light temperature with a remote.No quantity limit per group lamp.<br><br><b>Package includes:</b><br>-1 x LED remote control Ceiling Light<br>-1 x wireless remote controller(2*AAA batteries NOT included) <br>-1 x Bracket,Instructions, Driver,Connector<br>- 2 x White screws on lamp body(short)<br>-2 x Screws(long)<br>-2 x Plastic screw particle