Review on FunniPets 2600ft Range Dog Training Collar – Waterproof Remote Control Shock Collar for Medium and Large Dogs – 4 Training Modes: Light, Static Shock, Vibration, Beep by Cassie Young

Battery dies in very short time hours not even a day - not long enough to learn - Batteries should be better quality - I have been working for over 20 years years old with electronics so I know how to take care of them and I know what a reasonable expectation is - the function of these devices is also very inconsistent and cannot be carried over at certain battery levels - and lastly the range is absolutely too limited - again there may be a battery life is low but when i got them new (few months ago) they didn't transfer when fully charged, less than 30ft - I have another device from another company (earlier purchased), but identical in appearance, operation and options, and it works very well!