800M Electric Dog Training Collar

Features:
Levels of vibration and shock are adjustable from 1 to 99, and you are advised to try levels gradually to find the proper one when using this pet training system for the first time.
With blue backlight screen: can be used at night.
The controller and receiver have power saving function;
Receiver dual protections level up to IP67;
Add receiver support to train 3 dogs at the same time;
Independent button, easy to operate.