Feature: 1. This coil wire is used for keep your dog in the pet area safely. 2. 300m/984ft length, provide enough length for underground fence system. 3. Made of premium material, it is solid and durable. 4. Not easy to break, wide application. 5. Suitable for 023/227/227B electric pet fencing wire. Specification: Condition: Brand New Item Type: Electric Pet FenceWire Material: Metal Color: As Pictures ShownSize: Single Strand Copper Wire Size: Approx.0.2mm Wire Section Size: Approx. 0.6mmWeight: Approx. 192gSuitable for 023/227/227B electric pet fencing wire. Conditions of Use: 1. It cannot be used alone, but should be used with an electronic transmitter to prevent pets from running out of the yard. 2. If there is a combined electronic transmitter, the foreign version needs a thicker line corresponding to it. Such a thin coil will reduce the power, which will lead to the poor induction of the receiver and make the pet run out easily; 3. The host machine of foreign version is equipped with this kind of thin coil, so the power is small, so the pet can only sense when it is 1meter/3.3ft close to the coil, and the receiver can stop the pet, which will easily cause the pet to run out. . Package List: 1x Electric Dog Fence Wire Note: Conditions of Use: 1. It cannot be used alone, but should be used with an electronic transmitter to prevent pets from running out of the yard. 2. If there is a combined electronic transmitter, the foreign version needs a thicker line corresponding to it. Such a thin coil will reduce the power, which will lead to the poor induction of the receiver and make the pet run out easily; 3. The host machine of foreign version is equipped with this kind of thin coil, so the power is small, so the pet can only sense when it is 1meter/3.3ft close to the coil, and the receiver can stop the pet, which will easily cause the pet to run out.