Bird Repeller Thron Usage: Main used in the electric device, prevent bird,Stand in the device to influence the device working. Bird spike, bird spike control, anti bird spike,Pigeon control spike, bird spike wire, Installed on the high votage, scare all birds away to stay.In order for keep the high votage safety.Installed on the high votage, scare all birds away to stay.In order for keep the high votage safety. Anticorrosion Asia discourage birds,Solar Bird Repeller, Sales Bird-scaring unit