Acmee Fairy LED Lights, Magical LED Light, Wedding Centerpiece Lights, Party Lights (Pack of 12, White) Each box contains 12 of the same color Fairy LED lights that fades on and off slowly Activate light by pulling paper strip - Deactivate light by removing the battery, or placing the strip back Water resistant - will float in water. 3/4" Diameter translucent-opaque plastic body Uses 2 CR1220-3V batteries included and replaceable Recessed hanging hole for hanging lights with wire or line