The Energizer LED Flameless Silver Mercury Glass Tea Light collection is perfect for holiday entertaining. The high-quality mercury glass finish and the realistic flicker from the amber LEDs will create a warm ambient glow at dinner parties, on mantels and throughout your holiday dcor. This flameless tea light collection runs on 3 CR2032 Energizer coin lithium batteries with an impressive run time of 75 hours. These mercury-like votives with flameless tea lights are safe to use in places traditional tea lights can't be used. With no mess, no soot and no smoke these tea lights last longer and are safer than traditional tea lights. The Energizer LED Flameless Silver Mercury Glass Tea Light Collection: Safe for Anybody, Anytime, Anywhere.