Easy to InstallNo hardwired needed, installation is a breeze: just directly screw the battery operated light bulb into the lamp socket, it will immediately give off a light. Work at any time: battery light bulb no need to connect any wire, still can works when power outage. LED Puck Lights with Remote Control15FT Control range: no need to walk up to the bulb, you can control it where you stay: On/Off, 3 color temperature, 10%-100% brightness(Tips: The battery light bulbs is less brighter than the hardwired light, for it is battery operated), timing function (15, 30, 60 or 120 mins ). Auto-off when you fall asleep, save on electricity bills. 120 Hours Battery Powered Light BulbNo power supply needed. Battery operated light bulbs with remote perfect for lamps that are not near to outlets. Save time from frequently charging and replacement: AA battery operated screw in light bulb can work for 120 hours, more long-lasting than AAA batteries bulb (Batteries Not Include). E26 Base & ApplicationFit all U.S. standard E26 light socket and is compatible with various light fixtures. With 1.78inch long base, remote control light bulbs can screw in all shaped wall sconce, beside lamp, pendant light etc. For the conical lampshade, please measure its size first, if the bulb is too large, you can use with a adapter extension.