The PetSafe Spray Bark Dog Collar is expertly crafted to assist in curbing unwanted barking and whining through innovative spray technology. It’s perfect for outdoor adventures at the park with your furry friend or for keeping the peace at home during nighttime when you want to rest. When your dog barks, the sound and vibration trigger the sensor, releasing a burst of citronella spray to help deter this behavior. The spray cartridges are easy to replace, and there’s no need for batteries; simply recharge the collar using the included charger. This adjustable collar is suitable for dogs weighing 3.6 kg and above, accommodating necks with a circumference of up to 68 cm. With the PetSafe Spray Bark Dog Collar, you can enjoy quality time indoors and outdoors with your dog, free from bothersome barking. Key Features Light Spray - The PetSafe Spray Bark Collar utilizes a gentle citronella or unscented spray to softly remind your dog when it’s time to be quiet. Spray Refill Cartridge - New eco-friendly spray refill cartridges are user-friendly and straightforward to replace. No Accidental Sprays - The advanced bark detection technology guarantees that your dog will not receive an accidental spray, even amidst other barking dogs. Fits Most Dogs - This Spray Bark Collar is designed for dogs weighing 3.6 kg and above. Rechargeable - Each Spray Bark Collar includes a USB charger for recharging, with an average battery life of 40 hours depending on usage. Water Resistant - The Spray Bark Collar is designed to be water resistant, allowing you to take it nearly anywhere. Features Suitable for indoor or outdoor use For dogs 3.6 kg and above Fits neck sizes up to 68.6 cm Gentle yet effective spray stimulation Sound & vibration sensors - only your dog's bark triggers stimulation Automatic Safety Shut-Off Water resistant Utilizes a rechargeable battery (built-in; non-replaceable) Battery typically lasts 40-50 hours Recharge time is approximately 4-5 hours Low battery indicator System Includes Spray Bark Collar USB Charger Spray Cartridges