No battery is needed
Brightness is such enough even no other lighting fixtures need
The change of LED color will not be subject to the temperature of water
Interface diameter: 20mm

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.6 inch
Height : 2.5 inch
Length : 8.8 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 8 ounce (View shipping rates and policies)

ASIN : B005AEZ93Y