Device Type: Electric Fence Live Indicator Light / Remote Voltage Monitor Brand/Model: Gallagher Live Fence Indicator (G51100) / Gallagher Fence Control Light Video Output: N/A (Visual LED indicator, not a video device) Data Ports: N/A (No data interfaces; clips directly onto fence wire/tape) Function & Indication: Purpose: Provides instant visual confirmation that an electric fence is energized and working Signal System: Fast flashing: Fence is OK (full voltage) Slow flashing: Reduced voltage No flashing: No voltage Visibility: Up to 1 km (Fence Control Light) or 3,000 ft (~900 m) at night (Live Fence Indicator) Low Voltage Cut-Off: Will not flash if fence voltage drops below safe operating levels (e.g., below 3000V or 2000V, model dependent) Power & Construction: Power Source: No batteries required — powered by the fence pulse itself Material: ABS plastic housing Weather Resistance: Water and UV resistant for outdoor durability Installation: Place earth stake in the ground and clip onto fence wire or tape; quick and easy installation Physical & Warranty: Weight: Approx. 0.20 kg (0.44 lbs) Warranty: 1 Year Key Specs: Gallagher Live Fence Indicator (G51100), Electric Fence Voltage Indicator, Flashing LED (Fast = OK, Slow = Reduced, None = No Voltage), Visible up to 1km / 3,000ft at Night, No Batteries Required, Water/UV Resistant ABS, Low Voltage Cut-Off, Clip-On Installation, 0.20kg, 1-Year Warranty Usage: Remote Monitoring of Electric Fence Voltage, Quick Visual Check of Fence Integrity, Livestock Containment Systems, Security Perimeter Fences, Agricultural & Farm Fencing