Amazon offers Prime members the Osram 9-Light LED Landscape Lighting Set, model no. 73699, for $31.44 with free shipping. (Non-members can spend $49 to qualify for free shipping; otherwise, shipping costs $7.48.) That's $23 under our mention from three weeks ago and the lowest total price we've seen. (It's the best deal now by $46.) It measures 14-feet long and can be operated using the Free Lightify App for iOS or Android.
Note that this item will ship in two to five weeks.