Ultra-Fab 53-945001 Mini Solar Plumbing Vent White Automatically removes RV plumbing odor and moisture Aerodynamic for less drag co-efficiency Durable powder coat finish Installs easily on roof top No wiring required NOTE: Refer the User Guide before use. Silently and automatically removes RV plumbing odors and moisture Replaces most RV plumbing caps while aerodynamic design provides for less drag co-efficiency Installs easily on RV roof top Solar powered start and stop so there is no wiring required Manufactures 1-Year Warranty