KNIGHT SERIES SOLAR STREET LIGHT High luminous efficiency led chipDie-casting aluminum and PC lensMultiple installation ways optional.IP66 waterproof, Montion sensor availableSuitable for roads with 1-2 lanes7-9 H charge time2 Years warrantyBattery > 2000 cycles, super long life. Features Specifications Features Specifications Light Power Lumen Output Installation Height Mounting Distance 15W 1500lm 2.5-3.5m 15m 30W 3000lm 3-5m 15m 45W 4500lm 4-6m 20m 60W 6000lm 5-7m 30m