The Garden Protector is a complete low-current fence kit. Around the garden or aviary, it forms a barrier against cats, dogs and other unwanted intruders. The power pack sends electrical impulses to the conductive fence wire. When the two wires come into contact, the animal feels a shock that triggers a direct flight response. The animal’s instinct is to stay away from the fence. Safe for humans and animals.The energizer generates electrical impulses 10 short insulators + 10 long insulators for a 2-height fence 80 meters of deterrent wire to protect 40 m with 2 wires metal earthing electrode for correct earthing of the installation