24 Multi Color Changing Auto Change LED Electronic Blowable Blow Out Candle Tealight Tea Light Simply blow it or hit it on table to turn it on/off, no switch is needed Auto color changing Flameless, smokeless, no hot and dirty wax to deal with Included: LED Candle x 24; Battery pre-installed (3 x LR44 per candle) Size: Height 1.5" (4cm) / Diameter: 1.5" (4cm)