PetSafe SprayShield Animal Deterrent Spray Refill CITRONELLA BASED SPRAY - deters without harming the animal NO HARMFUL SIDE EFFECTS - formulated to minimize eye irritation PROTECT YOURSELF, YOUR PETS AND OTHERS - perfect for those who may work with or encounter aggressive animals SAFETY LOCK - prevent accidental spray by locking the SprayShield trigger. Simply lift the red tab and slide it to the left Call, chat or email with our expert PetSafe US-based customer care specialists six days a week; They are waiting to assist you and your pet with your product needs at 1-800-732-2677 or by email at ccc3@petsafe.net Manufacturers warranty is only valid when purchased from an authorized retailer