Bundle of 2 items - PetsSafe &ndash; PIF-275-19 &ndash; Additional Waterproof Receiver for Wireless Fence PIF-300 with PetsTEK Dog Training Clicker and Dog Whistle Training Kit This is a bundle of 2 items: PetSafe PIF-275-19, PetsTEK dog training clicker and dog whistle training kit. PIF-275-19 Extra receiver is compatible with PetSafe wireless fences: PIF-300, PIF0012917 and IF-300 For dogs that are 8 pounds and up. Receiver has 5 adjustable levels of static correction and tone-only mode that alerts you pet with a beep. Fits neck sizes between 6-28" With help of the clicker, you can teach your dog new behaviors with positive reinforcement. Training clicker comes in assorted colors: black, white, green, blue and red. Whistle is another training tool to help stop unwanted behavior and teach your dog to obey commands.