These lights offer 15 solid colors and flexible RGB fade modes with 3 color temperatures. Each light features an upgraded solar panel for 50% more efficient energy conversion and provides 10-12 hours of runtime. These lights are IP67 waterproof and pressure-resistant, capable of withstanding immersion in water and weights up to 200kg. Price drops from $19.99 to just $9.99 with code "EVK77YFT". Shipping is free with Prime or on $35+ orders.