Flickering Flame Technology: The flickering flameless LED tea lights creates the illusion of real flames. Remote control timer setting & easy to use: On/Off switch for easy & convenient operation. Remote control has timer function 4H/8H and Multi/Single color change mode. Note:To flickering the light, pls press the MODE button on the remote. Battery Operated: Operated by 2 AAA batteries for long time use. Batteries are NOT INCLUDED with product. Safe to Use: Colored tealight candles build in 4- or 8-hour automatic timer. No more dripping-hot wax, no more worry about falling a sleep without blowing out the candles. Absolutely no fire hazards or burning risks,safe for kids, pets, seniors. Multi purpose decoration: the colorful electric tea lights are ideal for accent decorations for holiday celebrations, wedding ceremonies, special occasions such as birthdays and anniversaries, memorial services, diy projects etc, wind-proof for both indoors and outdoors use, at homes, restaurants, bars, schools, backyards etc