I.Description for sonic bird repeller:

Sonic bird repeller broadcastintermittent mimic sound,such as distress calls,dog barking,predator call etcto create a “danger zone” to frightens unwanted birds away.The mimic sound arestorage in SD card.There is USB port,it can also use U disk.When bird get usedto the sound ,you can change to other sound which can be download from theinternet or we can transfer to you. It automatically starts to work in theearlier morning,and stop at dusk.

II.Feature:

1.Solar powered,work off-grid.

It is powered by solar panel,very convenicent to placewhere you want it and don’t care about the lack of electricity.

2.Customize the working time.

Itcan customize the working time and silent time between sounds according toclient requirement. (Timer is for your choice)
3.Harmless
Sonic bird repeller uses occasional natural sounds to scare away the birds, butit doesn’t harm them. 
4.Waterproof
Sturdy control box and two powerful speakers designed to last in an outdoorenvironment. 
5.Easy operation
Place the bird repeller wherever the birds are,open the switch,it will work as your wish.