PetSafe PIRF-100 Indoor Fence Transmitter is compatable with the PIRF-300 Pet Deterrent system. Also can be use as an add on to your PetSafe Electronic Dog Fence system. Recommended for pets that are at least 6 months old and weigh at least 8 pounds. - Effective in keeping your dog out of particular rooms or off of your favorite furniture. - Use near garbage cans or food prep areas. - Works with any Radio Fence? In-Ground Containment receiver. - Will not work with the wireless PIF-200. - Adjustable range up to 20 feet. - Compatible with Radio Fence? - Instructional manual included. - Collar NOT included | 
