ReadyTest™ - Ensures correct collar fit, graduated battery status, and warns of potential system problems for greatest pet safety. Contoured, Integrated Collar - 30% thinner than other collar designs, a fraction of the weight. More comfortable for the dog. Waterproof - Collar stands up to rough punishment, even submerged under water. Rechargeable Collar - Fast-charging (2-hours), long life Lithium Ion batteries. Built-in 24/7 battery backup in the event of a power failure. Patented Run-Through Prevention offers reliable and secure pet containment by automatically increasing the stimulation the closer your dog goes to the boundary. Expandable - Add multiple dogs to the in-ground fencing system with additional INNOTEK® accessory collars (sold separately). Introducing ReadyTest™ Right collar fit indicator. Your dog’s comfort and safety depends on a proper collar fit. Too loose and the collar won’t work and too tight your dog won’t be comfortable. Only INNOTEK® UltraSmart™ collars emit a brief audible click to let you know the collar is on right and functioning properly. On-board systems check. Don’t leave your dog’s safety to chance. UltraSmart™ collars alert you to potential problems before it’s too late. After charging, UltraSmart™ collars automatically perform a vital systems check to ensure proper operation of the power and electronic circuits. A green light means all systems are functioning properly and a flashing red light indicates there is a collar problem. 3-way battery indicator. Never run out of battery power again. ReadyTest™ monitors battery levels in your dog’s collar. Green is more than half a charge, yellow means less than half and red means charge the collar at the next opportunity. AN INNOTEK® EXCLUSIVE! System Includes: Wall Mounted Interior Transmitter Collar Charger 2 Collar Receivers 500 feet of Boundary Wire, Splices and Training Flags Training DVD Boundary Wire Chart Acres Approximate Feet of Wire Needed 1/4 415 1/3 480 1/2 590 1 835 2 1180 5 1870 10 2800 INNOTEK LIMITED LIFETIME WARRANTY Innotek, Inc. warrants to the original retail purchaser, that Innotek brand products will be free from defects in material and workmanship, under normal use, for a period of one year from the date of the original retail purchase. This Limited Warranty excludes; accidental damage due to dog chews; lightning damage where and INNOTEK lightning protection component is not in use (in-ground pet fencing systems); or neglect, alteration and misuse. Innotek offers several product exchange options during the warranty period. If service is required, call 1-800-826-5527 to discuss the service plan that best serves your needs. Costs are dependent on the processing time and the desired shipping options. Please do not return this product to your retailer. After one year from date of original retail purchase, we will repair, replace or upgrade your product at a fixed rate based on the component. Innotek Inc. shall not be liable or responsible for any incidental or consequential damages resulting from the use of the product or caused by any defect, failure or malfunction of the product, whether a claim is based upon warranty, contract, negligence or otherwise.