Q: How much sunshine is required to charge the Circular Solar LED Lights?
A: The Solar LEDs only need about 12,000 lux to charge and while the more sunlight they accumulate the better, they will still be charging during cloudy, or hazy conditions. For reference: Direct Sunlight = 100,000 lux; Cloudy Day = 30,000 - 70,000 lux; Extremely Cloudy = 10,000 - 30,000 lux; Terrible Rainstorm Dark = 7,000 - 10,000 lux.
Q: How bright are the lights?
A: Lumen output is approx 6.85 lumens and is comparable to your traditional low voltage accent/paver lighting.