The Thunderbird Fence Flasher flashes a bright light to show that your fence is working properly.The unit emits a flash, the frequency of which is dependant on the size of the energiser and the condition of the fence.This can vary from every 2nd pulse on a large energiser to every 8th pulse ..
If you have an electrified floodway or your fence crosses a river or creek, it may be a good idea to fit a flood controller.This is basically an energy limiter, and prevents the immersed section of the fence from shorting out the entire system when a flood occurs.It minimises voltage loss ac..