Sunvalleytek via Amazon offers Prime members these TaoTronics Waterproof RGB LED Strip Lights, model no. TT-SL001, for $19.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $7.23.) That's $4 under our mention from five days ago, $20 off list, and the lowest total price we've seen. This 16.4-foot color-changing LED light strip is dimmable and comes with a remote control.