XAP1024: This elegant birdbath comes complete with basin, pedestal, and an Allied Precision water wiggler. The Allied Precision water wiggler features a unique agitator action that creates continuous ripples in the water. This rippling action creates enough surface movement to effectively prevent mosquitoes from laying eggs, while simultaneously attracting more birds than a traditional standing birdbath. The wiggler operates silently on two D batteries for up to two months of 24 hour use. Features: -Water rippling bird bath with pedestal and water wiggler. -Plastic construction. -Prevents the spread of avain diseases by discouraging mosquitoes. -Overall dimensions: 27 H x 17.5 W x 2.5 D.