Haierc Bird Deterrent Discs great bird control solution, a natural bird deterrent product, also a nice looking decoration for your house. Birds dislike shiny, moving objects. This bird repellent device can swivel 360 degrees easily and reflect different color sunlight to create a flashing and dazzle effect to scare birds away. Keep birds away from your house, garden, fence, roof, orchard, yard, lawn, deck, boat, crops etc. Stop pest birds from damaging your property. Prevent window strikes from birds. Most birds can be deterred by the repellent disks, such as pigeon hawk crow geese seagull sparrow woodpecker duck etc.