<b>SAFE & HUMAN & EFFECTIVE:</b><br> Using citronella spray 【Not include citronella spray, please buy it from Amazon】, this Anti Bark Spray citronella spray Collar offers an effective, safe and human way to stop dog barking without electric shock, ensures NO HURT, NO PAINFUL, NO STIMULATION.<br> <b>RECHARGEABLE & WATERPROOF:</b><br> Built-in rechargeable lithium-ion battery.30 munites of charging time give you up to 30 days of use; Low Power: Red lights flashing 1 time/5s. Waterproof design, solid, lightweight,but not suit for swimming<br> <b>Spray Volume&Sensitivity Level Adjustable:</b><br> Adjust to small and large spray volume for your needs; Adjust to high sensitivity for small dogs; low sensitivity for dogs in in a noisy environment, and the external noise does not interfere with the product.<br> <b>Hight Capacity & VALUE PACKAGE:</b> <br>Refill 25-30 sprays every time (300-400 sprays/can),Spray bark collar is lightweight, harmless and humane; great for most breeds.The spray uses natural essential oil and does not contain CFC. It belongs to environmental protection products and is harmless to dogs.<br><br> <b>Package included: </b><br><br> 1XNo Bark Spray device;<br> 2XAdjustable nylon strap collar;<br> 1XUser's guide;<br> 1XMicro USB Cable.<br> ★★Not include citronella spray, please buy it from Amazon★★ <br>