12-battery-powered Green Flameless LED Clear Flickering Tealight Candles with Remote Control Battery Powered, Electric Tea Lights Are Safe, Smokeless and Give Off No Heat Standard size fits any votive or tealight holder Flameless  no fire risk or smoke LED lights  energy-saving, zero carbon emission On/off switch for easy & convenient operation PLEASE NOTE: when you are not using it for a long time , you must manually turn off the each candles to maintain the battery life -As the candles' batteries will drain,if its only closed with remote