To activate your Fancy Floating Rose, turn the bottom of the little submersible light clockwise. Turn it tight to ensure its waterproof! To power off, just turn it counterclockwise. Flower & Pad Height: 1.50 in.- Flower & Pad Width:3.0 in. – Entire Piece Height:2.5 in. LED Color: Blue Batteries: Includes 2 replaceable CR2032 batteries. – Weight: 0.24 LB