Simply replace existing bulbs with LED PAR56 lamps. These lights are ideal for your pool because they are energy efficient and durable and pay for itself after a short time. You need to exchange not a new power supply as they are aligned on alternating current and is required for the color changing lights also (at least, last note of the existing power supplies).
Spot with84 LEDs(10mmLEDhigh power)and a luminosityof about 80watts. 100%waterproof Thislampcan also beused asaquariumlighting inlarger basinsand in the garden, the house, the garage, in damp areas, such as swimming pool, sauna, pool.
LED Stainless Steel Pond Lighting / aquarium lighting