Multi-color x 6 LED Light Aquarium Fish Tank Air Curtain Bubble Stone Disk with Voltage: 100-240V150-60Hz Output: 5v 500mA DC Working temprange: 5-40C LED: 6PCS Delivery time: By Airmail: Generally, delivery to USA takes about 10-35 days. Delivery to Canada,AU, UK, and other European countries takes about 14-28 days.