Ther Petsafe Rechargeable Spray Dog Training Collar helps you manage your dog’s behavior. Press a button on your remote and the collar releases a burst of citronella spray towards your dog’s nose. A few timely corrections with this spray can be very effective for changing misbehavior or teaching basic obedience commands. Choose from 15 spray/tone combinations including 8 levels of spray and 7 levels of tone with spray. Teach basic commands like come, sit, stay and walking off-leash. Stop jumping, pulling, digging and other annoying behaviors. For dogs 8 pounds and up. Fits neck sizes up to 28 inches. Range up to 400 yards. 15 adjustable levels of spray and tone correction plus instant +2 Boost button. Positive and negative tones for added training flexibility. Train 2 dogs with extra collar. Waterproof remote transmitter and receiver collar. Collar uses included citronella spray and rechargeable battery (built-in; replaceable.) Charges in 3-4 hours. Low-battery indicator. To refill the collar, make sure the unit is turned off. Hold the refill spray can upright and firmly press the nozzle down into the refill port. Hold for 15 seconds or until unit is full, then remove the can. If spray leaks out, you may need to press harder to complete the seal. If you’re not sure which training product to choose, contact our Customer Care team Monday through Saturday and we'll gladly help you decide. If this product is not meeting your needs, please contact PetSafe Brand. PetSafe brand has been an industry leading US manufacturer of pet behavior, containment and lifestyle products since 1991, helping millions of people and pets each year. Call, chat or email the PetSafe US-based customer care specialists six days a week.