Bye Bye Birdie DUAL 1-9 Hectares The controls can be set

The controls can be set for day

Birdzout Yard Sentinel

The 4 duplex speakers are ideal for use in blocks divided by shelter belts or other obstacles as the separate speakers can be run into different blocks

Proven crop protection for around 4 to 10 hectares depending on the bird species and type of crop

Bye Bye Birdie DUAL 1-9 Hectares The controls can be setThe Bye Bye Birdie Dual works by creating invisible magnetic fields. This confuses birds, as they depend on the earths magnetic field for determining their sense of direction. Birds simply avoid the disturbed area. Sold in pairs with magnets of opposing polarity. BYE BYE BIRDIE (BBB) Features: safe for birds, pets, people & the environment. does not scare, trap or injure birds. uses no electrical power, so it costs nothing to operate needs no