[Color changing led lights]: each submersible led lights come with 5 leds which can provide 12 different colors; such as red, green, blue, white, yellow, purple and others; instead of purchasing multiple different led tea lights; these underwater led lights do it all in one; pure white led and warm white led, brighter than similar light; these submersible led tea lights have a spring hole on the top which can hang your light on christmas tree and paper lantern [Remote control]: please tighten the lid firmly to turn it on, this small LED lights come with two remotes; the remote control has a nice distance with all the colors listed plus you can speed up the flashing, strobe modes by using the brightness or dimming functions; you can control 1 individual light or a group of lights [Ip68 level waterproof]: homemory waterproof lights can swim in the water; perfect mold tooling design is waterproof; after twist the lids tight, the o ring will involve in the reserved gap; excellent tightness; you just have to make sure you get them tightened down properly [Long lasting and reusable]: every underwater light offered 2 cr2450 batteries(preinstalled); they are triple battery life than normal batteriesit can work more than 36 hours consistently; loosen the top, you can replace the old batteries easily; then they can be used in the hot tub, pond, pool, fountain, waterfall, aquarium, vase, christmas for your purpose For the waterproof, we have made a tightening design at the connection, so the has to take more force to tighten it when using it