Add a solar energy supplier, our salute or cracker can be used for farmer.

1)solar cell:300VDC 0.5-1.0A

2)timer trigger:1-6mintues adjustable

3)sound:  E-bird0 1>100db  @10m

                  E-bird0 2>105db  @10m

                  E-bird0 3>110db  @10m

Bird device