These rechargable lights feature 9 colors with adjustable brightness from 20% to 100%. They include 5000mAh batteries, rechargeable via USB-C, offering up to 10 hours of full brightness. A remote control allows setting auto-off timers at 30, 60, or 120 minutes. Price drops from $49.99 to $29.99 with code "YWULIC99". Shipping is free with prime.