【Beep/Vibration/Static 3 modes choose】- According to pet habits and training plans, you can choose the suitable mode from these three modes. Electric mode level can be adjusted, suitable for almost all dogs. Whether it’s an amateur or a professional dog trainer, training dog training collar can be used to help animals correct bad habits such as barking, digging and biting. 【Adjustable length of receiver】- Whether your pet is a small Chihuahua or a large Chow Chow, cut the receiver to the thickness of your dog’s neck . Dogs can use it with confidence. At the same time, the upgraded dog bark collar receiver has a waterproof rating, so you can walk your pet on rainy days. WARNING: Do not allow dogs to swim or bathe directly while wearing the receiver. 【Train 3 Dogs by 1 Remote Control】- New technology of electronic dog training collar can train 3 small/medium/large dogs by same time with a single remote control. Just press the channel change button to send commands to different
