Apollo Vegetable Electric Fence has been using our products until now. We have brought together stories about the experience of our users, and developed the best electric fence and superior power from the SP-2007. Our products are made in Japan and manufactured in Japan, so you can use them with confidence. Protect your precious home vegetable gardens from wild animals such as boars, caboches, foxes, etc. This product is a set of 328.4 ft (100 m) circumference (2 tiers) but can be extended to 300 m (2 tiers) with an extension kit sold separately. Can be used with 4 power sources, 8 batteries, 12 V battery with an external battery cord (sold separately), and 100 V AC adapter (sold separately). Rainproof, so it can be used outdoors. It can be switched between day/night (continuous) mode and night mode, and the output light will light up with the light reception sensor in night mode.