[Ventilation and fan on the roof of RV and RV]-Built-in thermal protection copper motor, which can work continuously without maintenance. Suitable for ships, yachts, RVs, trailers, RVs, etc. It is a practical accessory. [Package included] The package contains 1 Fan, 1 Air Outlet, and 4 Mounting Screws. Voltage: 24V. Power: 3W. Mode: 1st gear is silent, 2nd gear is strong wind. [Silent Ventilation Fan]-Strong wind, quiet ope ion, low noise and reliable use. Effective and extremely quiet ventilation to maintain fresh air. [ABS Caravan roof fan and ceiling installation]-The frame and blades are made of ABS material, which is light in weight, rust-proof, strong and durable, and not easy to wear. The spray paint is white, , and energy-saving. [Easy to install]-Install on the ceiling. Adjusatble height to fit your different installation requirements. Top-mounted, space-saving, convenient installation, no complicated tools. Feature: 1. Strong wind but quiet ope ion, low noise, dependable to use. 2. Superior ABS material, painted white finish, , and energysaving. 3. Adjusatble height to fit your different installation requirements. 4. Top mounting typed, which is spacesaving, easy to install, no need complicated tools. 5. Widely used in RV, motor homes or trailer, which is a practical accessory. Specification: Condition: 100% New Item Type: RV Fan Material: ABS Color: As picture shown Wiring: Red Wire: Connect to positive pole Black Wire: Connect to negative pole Voltage: 24V Power: 3W Mode: 1st gear is silent, 2nd gear is strong wind Application: Suitable for RV, motorhome, yacht, household and other scenes Package List: 1 x Fan 1 x Air Outlet 4 x Mounting Screws Feature: 1. Strong wind but quiet ope ion, low noise, dependable to use. 2. Superior ABS material, painted white finish, , and energysaving. 3. Adjusatble height to fit your different installation requirements. 4. Top mounting typed, which is spacesaving, easy to install, no need complicated tools. 5. Widely used in RV, motor homes or trailer, which is a practical accessory. Specification: Condition: 100% New Item Type: RV Fan Material: ABS Color: As picture shown Wiring: Red Wire: Connect to positive pole Black Wire: Connect to negative pole Voltage: 24V Power: 3W Mode: 1st gear is silent, 2nd gear is strong wind Application: Suitable for RV, motorhome, yacht, household and other scenes Package List: 1 x Fan 1 x Air Outlet 4 x Mounting Screws