Bird Gard models:

• PRO (up to 1.5 acres)
• PRO Plus (up to 3 acres)
• Super PRO (up to 6 acres)

• All models are powered by either AC current or a 12-volt battery.
• Units can be programmed for time delay between calls, day, night or 24 hour operation, and random or non-random operation.

• Includes either a 50-foot AC adaptor, or a 10-foot battery cable with clips. Specify AC adaptor or battery cables when ordering. Adaptor and cables can also be purchased separately ($15/each retail).
• An additional external speaker ($40 retail) can be added to the PRO model.

• Control unit mounted in a NEMA rated enclosure suitable for almost any type of weather.
• Includes a 50-foot AC adaptor and a 10-foot battery cable with clips.

• Features 2 built-in amplifiers and comes with 2 external speakers.
• Each speaker has 100 feet of cable and can be "daisy-chained".

PRO Plus model now includes enhanced random features and a user-replaceable EPROM recording chip that can be easily changed to use different sounds. PRO Plus purchase includes one sound chip that can be alternated with a variety of different sound chips (available for purchase separately, $45/chip retail).

• Control unit mounted in a NEMA rated enclosure suitable for almost any type of weather.
• Includes a 50-foot AC adaptor and a 10-foot battery cable with clips.
• Features 4 built-in amplifiers with 4 external speakers.
• Each speaker has 100 feet of cable and can be "daisy-chained".
• Optional 4-speaker box enclosure available instead of 4 individual speakers. 4-speaker box can also be purchased separately ($160 retail).