ALPHA 1200X Street Light // Flagpole Light for Vertical Pole Mount, Waterproof Weatherproof IP65, Max Pole Diameter 3 inch Three levels user-defined power setting: High-Normal-Low for 1500-500-150 lumen brightness, last 2-7-12 hours. Auto on/off during dusk and dawn. 180pcs white LED producing neutral white beam for optimum area coverage. 12W solar panel is made of industrial grade high efficiency solar cell, tempered glass, and anodized aluminum frame. Equipped with Lithium battery for longer charging cycle against conventional battery. Cast iron light fixture with tempered glass, built for durability and good heat dissipation when used at high power setting. Designed for 3-4 meter (10-13 ft) pole height and 6-8 meter (19-26 ft) distance between pole to pole. Fit maximum pole diameter 8 cm (3 inch). Comes with stainless steel bolts and nuts M5*100, made to international standard GB/T818 and DIN934. Cable length between solar panel and light is 5m (16ft). Important notice: pole is not included. Be sure to charge ALPHA 1200X in full sun for 8 hours before use. When ALPHA 1200X does not perform according to setting, please turn off the system and charge in full sun for 3 days before use. Low battery power prohibits system to function normally. Package includes: 1*solar street light fixture with built-in Lithium battery, mounting bracket.