PetSafe  Deluxe Radio Fence with 5 Level Deluxe Programmable UltraLight Receiver MIG00-10938HW.

This  PetSafe Deluxe In-ground radio fence features a deluxe transmitter with built-in lightning protection, comes with the Deluxe Ultralight Receiver for any pet that is 8 pounds or over and can cover up to 25 acres. With Four Levels of adjustable correction plus a beep only mode, and with a weight of only 1.4 oz. on the collar, this is a most versatile and advanced receiver and transmitter system. With this system you can increase or decrease the correction right at the receiver collar with the included magnetic key to meet your pet's training needs. With this system you can contain pets of all sizes within the same fence. The PetSafe radio fence is the finest available. The in-ground fence receiver is light enough for the smaller pet of 8 pounds and when set at a correction level 4, strong enough for the largest. The Deluxe Ultralight Receiver has a Low Battery indicator light on the collar, Progressive correction, which will give a stronger correction if your pet does not retreat, RunThrough Preventer, which will give your pet an immediate correction if he tries to run out of the fence, and a Safety Shut Off after 25 seconds continuously in the boundary area The receiver will reset itself allowing your dog 10 seconds to return to the boundary. Other safety features include protection against false signals through an ASICS Chip, which is the only microprocessor built specifically for the pet industry by PetSafe. The ASICS Chip has 3,000 filters to prevent false signals from causing your pet an unnecessary correction. Lightning surge protection for storm-prone areas is built-in and the system comes with an easy-to-follow operation manual and video.