This small magnetic wireless camera offers hitching at an ease. Its wireless connectivity is digital providing an uninterrupted connection for distances up to 70ft! The camera is battery operated (9 volt) and has a powerful magnetic base which can attach to the back of your vehicle for each hitching. The 3.5" monitor offers a great view of the ball and surrounding areas and plugs straight into your cigarette lighter. The RVS-83112 includes a full year warranty. NOTE: Due to the higher current draw of this product, Alkaline or Lithium 9V batteries are highly recommended. NOTE: This camera was designed for hitching. It will only stay on for 2-5 minutes for a time