Retro and glamorous: The black tea lights will create a retro or mysterious or solemn atmosphere, perfect for Halloween, black themed parties and Gothic weddings.Brighter and more realistic: Use the latest process to increase its brightness by 35%, with realistic flicker and edge melting design, add more fun and surprises to your holiday!Out-of-the-box and long-lasting: Choose a high-quality battery that has a battery life 1.5 to 2 times longer than similar battery tea lights. This has been recognized by many customers. It ensures that the black tea lamp candles continue to work throughout Halloween.Fixes all of the following: Candles don't last very long; A mess of melted wax; Risk of fire and smoke; Security concerns while leaving them unattended; Your cute, curious child or pet knocks them over; The wind blew them out.Stable, durable and reusable: LED tea lights are thoroughly and rigorously tested. The batteries selected by Homag have passed rigorous safety tests according to the UN38.3 international standard. The battery can be easily replaced so that the battery tea light can be reused.