F900Plus Wireless Dog Fence

F900Plus is a 3-in-1 wireless dog fence that combines fencing, forbidden zones, and training features. It uses precise radar positioning for real-time monitoring and operates indoors and outdoors. The adjustable fence radius ranges from 10 to 120 feet, covering up to 1 acre, and supports up to 3 dogs. The collar fits pets weighing 15 to 110 lbs with neck sizes of 9 to 26 inches. The system remains reliable even without cell service.