This fantastic outdoor Flood light is the perfect solution for your commercial or high demand flood light needs, along with the added convenience of using a remote control.. The Solar Flood Light -108 LED is ideal for lighting an area approximately 30 ft. Wide x 50 ft. Deep. Ideal for use in illuminating signs, horse riding arenas, parking lots, and driveways. Estimated light output is approximately 150 watts. The Lumen measurement is 540lm(6 7lm/pc). This light turns on Automatically turns on at night and off at dawn with a On/Off switch on light fixture for convenience. With the unit's power selector in the ON position, the unit can be remotely controlled up to 50 ft. away. Depending on environmental issues (geographic location in US and weather temperatures) estimated night time hours of operation is 10-12 hours on a fully charged battery. This installation is suited for ground stake mounting of both solar panel and LED Light for ground effect lighting, up lighting walls or structures. Optionally, the ground stakes can be removed for a flat mount installation as well.