This solar and battery powered fencer features laser trimmed, computer precision, solid state circuitry that provides a reliable, powerful low impedance shock to end of the fence. It uses free energy from the sun for maximum shock – day or night, eliminating the need for expensive battery replacement or inconvenient recharging. It features an at a glance built-in performance meter that shows you the fence condition – good, marginal or bad; latest state-of-the-art solar panel with over 42% more battery charging power; will charge battery even on cloudy days with maximum power in direct sunlight; and is totally weather-proof for outdoor use.