No switch dogs. Push a button to train instantly. No delay.Remote training dog collar to train your dog remotely with a range up to 1200 feet/400 yards; Strong humane Vibration command to stop barking or other undesirable behaviors; Shock buttons for each dog;shock levels: Low (L) or High (H). Adjustable dog collar strap fits 6-25"/15cm-65cm small, medium or large dogs; Remote has large color-coded buttons for easy access; remote has two-tone rubberized coating that looks and feels great.

This sale includes:

1. One remote w/9V battery ;

2. Twoe water-resistant(not waterproof) rechargeable receivers w/ adjustable straps (6"-25"/15-65cm);

3. Wall charger with dual USB charging cable;

4. Metal prongs,Shock test light;

5. Manual;

6. Six month free replacement warranty from seller.