Review on AHJDL Rechargeable Reflective Dog Bark Collar - 5 Adjustable Sensitivity and Intensity Levels - 🐶 Dual Anti-Barking Modes - Rainproof - No Barking Control Shock Collar for Small Medium Large Dogs by Samantha Stevens

I bought two of these collars for my angry dogs. I love that the collars are so small and have two modes with 5 intensity levels each. I found the instructions a bit confusing trying to figure out how to switch between the two modes. Other than that, it was easy once I figured it out. I also like that the collar works on my Sheltie without having to shave her hair as the warning signals are loud enough for even the meanest of dogs to ignore. The only problem I have with them is that on the highest intensity level I have to be careful not to call them out myself or if there are other barking dogs around they will set them on fire. I also love that they are rechargeable! I already have enough batteries to buy. I am also very happy with the price of these collars.