Smart Fix electric Fence Tester. Multi-mode fault finding tool: Current Meter and Digital Volt Meter DVM. Convenient pocket size. Large easy to read LCD display. Modern water resistant and impact resistant case. Long life battery - up to 3 years. Switch to change between DVM and Current Meter modes. Micro-chip technology that enables low voltage operation. Detachable earth lead. When used as a DVM: can be used to measure voltage on all energizer types measures up to 15KV; use without earth lead for everyday fence voltage reading earth lead will give more precise readings particularly for measuring earth voltage.; retractable probe allows easy access to energizer terminals cut-out switches and other difficult to reach areas. When used as a Current Meter: large arrows makes for easy fault finding by showing direction of fault; digital display of current A makes for easy detection of faults; bar graph indicating voltage while in current meter mode; cordless operation.