LOFTEK Magnet Submersible LED Lights with Suction Cups, Remote (RF),IP68 Full Waterproof Bathtub Lights 13 LED Color Changing Battery LED Lights Underwater for Bathtub, Shower,Hot Tub, Spa, Party. 4.0 out of 5 stars. 2,795. $13.99. $13. . 99. 10% coupon applied at checkout. Extra 10% off with coupon.