HQRP® 2 Solar Flying Fluttering Butterflies (Yellow+Pink) Powered by Sun or AA Battery plus HQRP® UV Chain / UV Radiation Health Tester; * Beautiful butterflies that flutter their wings hovering above your favourite flower and occasionally flying all the way * around it - simply amazing and looks incredibly realistic! The small solar panel converts the * daylight into energy for the butterfly and the brighter the weather the more active her flying is. * When the skies darken you can switch the energy source to the backup AA battery (not included). 100 days warranty!