Feature: 1. Principle of Use: The high voltage pulse can give the animal a sense of electric shock, so that the conditioned reflex is far away from the electric fence after it produces a psychological barrier. 2. Dual Function: Electric fence Charger is used to manage animals in the pen and block the threat of external species, and prevent the invasion of wild animals outside the area. 3. Dismantle and Build on Demand: Animal fence, grass field fence, rotary grazing, long term and short term enclosures can be switched and built at will. 4. Applicable Animals and Scenes: Used to raise medium and large animals or poultry such as sheep, goats, cattle, wolves and jackals, etc. Suitable for farms, ranches, temporary electric fence systems, etc. 5. Harmless to Humans and Animals: Impulse voltage is not life threatening to humans and animals. Easy installation, low labor maintenance cost. Specification: Item Type: Electric Fence ChargerMaterial: ABS Color: As Pictures Shown Weight: Approx. 818g / 28.9in Product Size: Approx. 17.5x14x6.3cm / 6.9x5.5x2.5in Specifications: US 110V Effective Area: 20 Acres Effective Length: 5 Miles Peak Stored Energy up to: 0.32 Joules Peak Output Energy up to: 0.2 Joules Maximum Output Voltage: 5.1 KV Output Voltage at 500 ohms: 3.2KV Scope of Application: Farms, Ranches, Temporary Electric Fence Systems, etc. Applicable Animals: Neutral or Ferocious Animals, such as Sheep, Goats, Cattle, Wolves and Jackals, etc.. Package List: 1 x Electronic Fence Host 1 x English Manual