Operation 1. Make sure your fence is wired properly 2. Touch the short probe at the top of the meter to the charger post or wire to get a voltage reading 3. Visible Reading is not as bright as LED, Not waterproof Warning 1. The tester can only be used to test standard duty, low impedance electric fences. 2. People with pacemakers should not use the tester. 3. Keep the tester dry. Don't use the tester if the tester or your hand is wet. 4. Inspect the tester before use. Do not use the tester if parts loose or damaged. 5. To avoid , do not touch any conductor with hand or skin. Wear rubber insulated gloves when using the tester. 6. When using the probe, keep your finger behind the finger guard. 7. Do not use the tester if it operates abnormally. 8. Do not use the tester around gas, vapor, or dust. 9. It is recommended to verify the tester's operation by measuring a known electric fence before use. 10. Do not ground yourself while using the tester. Keep your body isolated from ground by using rubber shoes, dry clothing, rubber mat, or any approved insulating material. 11. The tester is not a toy. Do not allow children to play with or near the tester Colour: Black material: plastic Package Contents: 1 x Fence Voltage Tester Only the above package content, other products are not included. Note: Light 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. 3. UPDATE. Black outer case does not emit excess light will not affect reading. Top Probe design has a better contacting with fence tap than curved hooks type. 2. WIDELY APPLICATION. Measuring voltage on any metal wire, wire, rope and tape. Test Fence line, , Ground System, Hook Up Wire and Fence Components. Used in Farm, Home Garden, Sheep, Pet, Horse and Livestock Fencing. 1. WIDE MEASURING RANGE. Designed for a low impedance and standard duty fence controllers. 8 Neon lights indicate voltage from 2kv to 12kv. Higher measuring range than normal item. Though not as bright as LED, do not need battery 5. LONG LASTING: ABS case, Withstand cold weather. Easy to carry. 4. EASY TO USE. Hold top probe to the fence. Insert probe into ground, you could know the reading of your fence. Require no addtional tool. human design is comfortable to hold.