This machine is a standard ranch electronic fence, pulse period, pulse duration, output energy are in line with international standardsHigh-power, low-cost electric fence booster for breaking pets' bad habits and keeping unwelcome predators awayThe electronic fence application fields of the farm: poultry farm, game farm, forest, vegetable and fruit planting center, livestock shelter, garden, etc.The pulse period is fixed at 1 second. It is not adjustable. The pulse holding time is less than 0.1 second. A pulse period or pulse interval of 1 second is suitable for most animals. Too fast will bring security risks and pose a threat to human or animal lifeElectric Fence Charger Features:Input voltage: 12V DC, or 220V AC(Use power adapter)Output voltage: pulse voltage 8KV.12KVOutput energy: 3 joulesPower consumption: 3.5 wattsAnimals to contain:Cow, sheep, cattle, horse, deer, bear, elephant, pig, goat, chicken, dog, raccoon, exotic animals and predators,etccolour: yellowMaterial: plasticsize: 19x9x6.5cmPackage Contents: 1*host1*battery cable1*power converter1*alarm1*manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.