This product is by remote control vibration to complete the function of the Anti-bark, at the same time with voice command.  Remote control anti-bark collar is a humane, safe and efficient digital electronic product for pet training. It is composed of a master remote controller and a radio receiving collar. The receiving collar is carried on the pet's neck and controlled by the master remote controller. The receiving collar generates high frequency vibration.  High frequency vibration is made of pet vibration interference current and no harm, to stop the dog barked and barked misconduct has the amazing effect, after the success of the vibrating interference master to tell your dog should not be made in time, the discipline for many times, the dog's bad behavior is significantly reduced, remote whistling sound used to convey the master's instructions, after training, A specific whistle will let the dog understand the master's instructions.
? FASTEST WAY TO TRAIN YOUR DOG: 3 modes allow you to start training your pet with mild vibrations or audible beeps and progress to the firmer static mode if necessary. Adjustable NO SHOCK levels 0-16 with 3 channels for 3 dogs.
? EASY 3-BUTTON REMOTE: Clear, individual buttons for each mode make training your dog more intuitive and user-friendly. Easily change levels with the touch of a button, located on both the front and the side of the remote. A keypad locking button helps prevent accidental triggering.
? QUICK CHARGING BATTERIES: Both the remote (300 MAH) and collar receiver (500 MAH) contain rechargeable lithium batteries and can be charged at the same time with the 5V USB power adapter. Requires 2-3 hours charging time.
? EASY BATTERY AND PAIRING CHECK: At a glance, the red and green LED lights indicate whether the devices are low on battery, charging, or fully charged and if the collar and remote are paired and communicating properly.
? 100% WATERPROOF COLLAR: The collar is fully waterproof and the remote is water-resistant. The set includes an additional reflective nylon collar and a lanyard for the remote to help maintain your grip in poor conditions.
- Eliminate one misbehavior or teach one obedience command at one time, if the training gets too fast, your pet may become confused and repel
- Before using the shock mode to your pet, you should try vibration to your pet first
- Observe the dog's reaction and make sure the training intensity not too much?Continuous wear time shall not
exceed 6 hours
- Examine the contact area daily for signs of a rash or a sore
- If a rash or sore is found, discontinue use of the collar until the skin has healed
Question you may ask
 Q:Is the product waterproof?
 A:Yes.The receiver is IPX7 waterproof
 Q:How long does it to charge?How long the receiver will last on a fully charge?
 A:Takes about 2 hours to charge fully and the receiver will last for about 15 days
 Q:What type of dog is suitable for this product?
 A:Large dog,Medium-sized dog,Small dog
 Q:How long does my dog get trained every time?
 A:15-20 Min
 Q:what should i do if the training collar set don't work
 A:1.Check the battery power of the remote and receiver,if they are low power,charge the please
    2.Make sure that the metal screw caps are well contact with your dog
    3.Check the channel,please connect the controller  and receiver to the same channel
 Q:What the length of the belt collar
 A:27.5 IN( about 70cm )