Package Included: 12 Pack Flameless LED Tea Candles (Size: 3.7cm x H 3.4cm). Batteries already installed. Comes with a switch for easy operation. Long battery life. Each candle uses CR2032 button batteries, which are highly efficient and can be easily purchased online or at your local store. With new batteries, it can last for about 200 hours. Safe for Children, Elderly - No open flame, no smoke, no need to worry about open flames when using these LED tea candles, absolutely no fire hazard or risk of burns, safe for homes with pets or young children. Planning an event? - Amber realistic bright flickering battery-operated tea lights provide realistic flickering effects, perfect for accent decorations for holiday celebrations, weddings, special occasions such as birthdays and anniversaries, memorial services, church gatherings, DIY projects, etc. Windproof design, suitable for indoor and outdoor use, such as home, restaurant, church, school, backyard, stadium, etc. All LED tea lights are fully and rigorously tested. These tea light candles are CE certified.