<b>Important: The anti bark collar does not include the spray, please purchase separately.</b><br> The citronella bark collar reacts to the dog's barking by spraying gas, which distracts the dog's attention and they may feel confused or irritable, you need to comfort and teach them at that time to stop unwanted behaviors like barking, digging, chewing.<br><br> <b>Features of Queenmew citronella spray anti bark collar:</b><br> 1.The intelligent microphone can automatically detect dog barking and release a harmless citronella spray to stop bark.<br> 2. Safe & humane, no shock, no harm, no pain citronella bark collar!<br> 3. Adjustable spray volume & sensitivity.<br> 4. Adjustable nylon strap to fits all sizes of dogs.<br> 5. Built-in battery, fully charged in 2 hours lasts up to 7 days work.<br> 6. Waterproof design allows dogs to play in rainy weather.<br> 7. LED light shows the working status of battery and spray.<br><br> <b>How to use this citronella bark collar:</b><br> 1. Boot up: Long press the Power button for 3 secs to turn it on.<br> 2. Adjust Spray: Press the Adjust button to adjust the spray volume. Small: LED 2 yellow light flashes. Large: LED 2 blue light flashes<br> 3. Adjust Sensitivity: Long press the Adjust button for 3 secs to adjust the sensitivity. Low: LED 1 and LED 2 simultaneously flash once. High: LED 1 and LED 2 simultaneously flash twice.<br><br> <b>Tips:</b><br> ✦For Long-haired dogs, please trim the neck hairs along the path of the spray.<br> ✦Do not use for an aggressive dog, long nose dogs, smelling impaired dogs.<br> ✦Place the citronella bark collar strap on the middle of the dog's neck, make sure the Spray Nozzle is towards the dog's nose.<br> ✦The collar should fit snugly, yet loose enough to allow one finger to fit under the strap.<br> ✦Please say " Woof " loudly towards the audio sensor to test the spray works normally before using it.<br><br> <b>Package: </b><br>1*Citronella Bark Collar 2*Nylon Strap 1*USB Cable 1*Manual