With Imperial II Solar Lamp Post - Double Head, you can now effectively illuminate parks, gardens and walkways minus the hefty operating cost. Instead of using electricity, this product uses solar energy to automatically power its 42 Super Bright LEDs (21 per head) at night and it will run for up to 12 hours provided that it''s fully charged. When it turns into day, this solar powered light will automatically turn off its LEDs and charge its battery using a built-in solar panel. This outdoor solar light for parks, gardens, lawns and other outdoor areas is designed for year-round operation and comes with 78-inch post. Dimensions per lamp head: 19" H x 10.5" W. Post height: 78 inches. Bulb per head: 21 Super Bright LEDs. Light output: 700 Lumens (350 x 2). Battery: Rechargeable 3.2V 6,000mAh Li-Ion battery pack. Solar panel: Mono-Crystalline. Manufacturer''s warranty: 1 year.