Use:it can be widely used when cars and ships rotate.it is suitable for cars,oceans,trucks,etc. Scale:the adjustable angle can adapt to different visions.clear scales can accurately distinguish different directions guide forward. Stick:equipped with adhesive glue,it is easy to paste.it can be pasted on the dashboard of the car wind shield or anywhere. Material:Made of ABS,strong and lightweight.durable and long lasting. Artistic:it can be used for in car decoration and beautify the in car environment.