【Version 2 Collars】Dog Training Collar/Dog Shock Collar--2000 ft Remote Range--Personalized Voice Commands-GPS6-2 IP67 waterproof What is in the package:

What is in the package: __________________________________________________

This smart computer chip can distinguish the barking of dogs from other surrounding noises and other dogs barking

Light mode helps you locate your dog when it's dark or there's not enough light

3 different sound wave modes: This ultrasonic dog training device has three different sound wave modes

durable and comfortable to wear

【Version 2 Collars】Dog Training Collar/Dog Shock Collar--2000 ft Remote Range--Personalized Voice Commands-GPS6-2 IP67 waterproof What is in the package:[Version 2 Receivers for 2 Dogs] The remote control has two channels. You can synchronize the two receivers on the two different channels (channel 1 and 2) and train your dogs separately. For example, when you choose channel 1 and press the vibration button, only the receiver synchronized to channel 1 will vibrate. Or you can also synchronize the two receivers on the same channel (1 for example) and control them at the same time. When you choose