4leds smd5050 rgb ws2801 led module ic built outside this makes the signal travels very rapid and stable quality.Which waterproof is IP68,so it can put into the water.It is easy to be control by the led controller,and each 20pcs or 40pcs a string as you like.
Parameter:
working with Arduino, PIC, and ARM microcontrollers Power Consumption: Max 1.44W/PCS Greyscale: 256 Gray-scale Emitting Color: digital color RGB Waterproof IP grade: IP68 (can be use in water)