1. WIDE MEASURING RANGE. Designed for a low impedance and standard duty fence controllers. 6 lights indicate voltage from 2kv to 12kv. Higher measuring range than normal item. Though not as bright as LED, do not need battery 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. 3. 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. Colour: black+purple Material: plastic Package Contents: 2 x Fence Voltage Tester Only the above package content, other products are not included. Note: Light reflection 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. 1. WIDE MEASURING RANGE. Designed for a low impedance and standard duty fence controllers. 6 Neon lights indicate voltage from 2kv to 12kv. Higher measuring range than normal item. Though not as bright as LED, do not need battery 3. 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. 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.