DIY Electronic Kit - Snowman Christmas Ornament with Lights and Sound 3mm and 5mm super bright LEDs encompass a tasteful and unique design High Intensity LEDs create a truly stunning effect (multiple colors in each kit) Three different preprogrammed patterns and fourth pattern that follows the music Power saving mode shuts unit down after 2 minutes conserving battery life Operate from two CR2032 button cell batteries and consumes just 15mA