This product is an efficient mains energiser. With visual operation control. Splash-proof and interference free. Easy to operate, very low running costs. All purpose for smaller fence systems or paddocks. Will energise up to 10km of single line fencing, (depending on load conditions). Three years guarantee. Maximum voltage: 10900 volts. Voltage @ 500 ohms: 4500V. Input (load) energy: 1.6 joule. Output energy: 1.1 joule. Comes complete with both 2-pin and 3-pin adaptors.