Brand: PetSafeColor: SilverFeatures: 2 REPLACEMENT BATTERIES: Two 6 volt RFA-67 lithium metal replacement batteries included COMPATIBLE COLLARS: Works with PetSafe bark collar, in-ground and wireless fence receiver collar systems WATERPROOF AND LONG LASTING: Battery modules are waterproof and last 1-3 months, depending on use...

Brand: PetSafeColor: WhiteFeatures: EASY, QUICK CLEANUP: No scooping required; when it’s time to clean up, simply remove the disposable litter tray and throw it away; each tray comes with 1 bag (4.3 lb) of premium crystal litter which can last up to 30 days...

Brand: PetSafeColor: Lavender CrystalsFeatures: EASY, QUICK CLEANUP: No scooping required; when it’s time to clean up, simply remove the disposable litter tray and throw it away REMOVES ODORS QUICKLY: Crystal litter absorbs urine and dries solid waste to quickly remove odors 5 times faster...

Brand: PetSafeColor: Premium Blue CrystalsFeatures: EASY, QUICK CLEANUP: No scooping required; when it’s time to clean up, simply remove the disposable litter tray and throw it away REMOVES ODORS QUICKLY: Crystal litter absorbs urine and dries solid waste to quickly remove odors 5 times...

Brand: PetSafeColor: Premium Blue CrystalsFeatures: EASY, QUICK CLEANUP: No scooping required; when it’s time to clean up, simply remove the disposable litter tray and throw it away REMOVES ODORS QUICKLY: Crystal litter absorbs urine and dries solid waste to quickly remove odors 5 times...