Product DescriptionA mode switch at the bottom Mode 1: 5-LED turned on/ off in succession Mode 2: turns 5-LED on/ off at once A power on/ off button on the front Battery slot at the bottom and a AC jack at the flank Two ways to power this unit: 4 x AAA battery (not included)  AC adapter (not included) Output: 6V DC， 450mA Input: For US & Canada use: 100 ~ 120V AC， 60Hz For Europe & Australia use: 220 ~ 240V AC， 50Hz Package include: 1 X Rainbow include