The Dual Sided Advertising Sign Light has 2 light heads with high output LEDs driven by a powerful 15-watt solar panel with a 12,000 mAh, 3.7-volt lithium-ion battery. This commercial lighting system has 2 light heads each containing 8 Ultrabright LEDs rated at 280 Lux per head, with a total of 560 Lux.
The advertising business sign light has built-in circuit protection which will not allow overcharging and an intelligent microprocessor that senses power coming from the solar panel and turns the light on or off according to that power level.