[Version for 2 Dogs] Dog Training Collar/Dog Shock Collar--1000 ft Remote Range-- Rechargeable/Rainproof IP3-G812 IP3 Rainproof the bark collar will increase

the bark collar will increase by 1 level

When the barking of the dog and the vibrations of its throat reach a certain sound frequency detectable by a sensor

Remote Range: 500m/1700ft

You could use this button to lock the LCD screen

to ensure a safe and humane training experience

[Version for 2 Dogs] Dog Training Collar/Dog Shock Collar--1000 ft Remote Range-- Rechargeable/Rainproof IP3-G812 IP3 Rainproof the bark collar will increase[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