LONG LIFESPAN --- LED candles are powered by upgraded long-lasting CR2450 button batteries (included and installed) which are more efficient and durable than CR2032 button cells. Battery can be replaced easily via the tab at the bottom EASY TO USE --- Simply rotate clockwise/counterclockwise switch on the bottom of LED candles to turn on/off the light. It can also be controlled by remote control when necessary WIDE APPLICABILITY --- Perfect size (1.4"D*1.85"H) fit into any luminary bags, candle holders and Jack-o?-lanterns SAFETY --- Flameless, unscented, smoke-free, zero carbon emission and no fire hazards, safe for families with pet(s) or young child (ren) ROMANTIC RELAXED DECORATIONS --- LED candles are perfect for indoor and outdoor events. Create a romance atmosphere for wedding or proposal. Pack of 12 candles can be multiple-decoration for Christmas, Halloween and Valentine's Day