This fantastic 2 piece outdoor Flood light is the perfect solution for your commercial or high demand flood light needs. The Solar Goes Green SGG-F108-2T Solar Flood Light 108 LED is ideal for lighting an area approximately 30 ft. x 30 ft. Ideal for use in illuminating signs, horse riding arenas, parking lots, and driveways. Estimated light output is approximately 175-Watt. The Lumen measurement is 725 lm (6 to 7 lm/pc). This light turns on automatically at night and off at dawn with a master override on/off switch on light fixture for convenience. Depending on environmental issues (geographic location in US and weather temperatures) estimated night time hours of operation is 10 to 12 hours on a fully charged battery.