JSHANMEI Sea Marine Compass LED Lights Illuminated Light Up Electronic Digital Navigation Compass Boat Caravan Truck MATERIAL: made of high quality ABS plastic material, which is corrosion resistant and environmental friendly. Dial is with bright LED for easy reading day or night. Adjustable mounting bracket and visible lubber line for easy direction reading. Mounts easily to almost any flat surface with included EVA foam sticker or screws. WIDELY USED: pivoting compass for car, boat, marine boat, truck, and caravan. (Size is Large. Please Confirm if the Size is Suitable Before Order)