OTTFF Fish Tank Decorative Aquarium Accessories Air Bubble Disk Curtain Generator Underwater 12pcs Changing Color LED Lights for Garden Fish Pool Pond Multi-color 12pcs LED lights air bubble curtain generator, creates beautiful bubbles to decorate your Aquarium fish tank pond. Colorful lighting effect makes the bubbles beautiful by air pump (Air Pump NOT Included). Excellent sealed design for underwater work,easy to use. Low working voltage, safe and energy saving. Multi-color flashing automatically,ideal for aquarium, fish tank, pool, pond,etc