Humane and Safe, Eliminate Bad Behavior EffectivelyThe Dog shock collar features 3 humane training modeswith adjustable beep(1-8 levels),vibration(1-16 levels)safe shock(1-99 levels).lt helps your unruly and hard-headed dogs learn to be a better part of your household.

Extended 3300FT Range: The Dog Training Collarcovers up to 3300Ft allowing your pet to roam farther.With dual-channel, lt is perfect to train 2 dogssimultaneously outdoor at distances up to 3/4 mile.

Fits for All Sizes of Dogs 5-120lbsThe training collarfor dogs is ideal to control dogs as small as 5 pounds andas big as 120 pounds.Instant response security on/offswitch button allows you to carry it without any fear ofaccidental touch.

IP67 Waterproof Receiver: The electric dog collar canbe used in any weather and any condition thanks to theIP67 waterproof design of the receiver (You'll have tokeep the remote control away from water).

Incredible Battery Life: The e collar for dogs traininghas a decent battery life. The receiver's battery can lastfor up to 15 days in working modes while the remote forover 1 month. the long battery runtime is a true lifesaveron those camping or tailgating weekends.

Doesn't work for vibration & beep mode

1) First confirm whether the receiver and remote control are out of power

2) Confirm whether the receiver and remote chanel are correct, If the receiver is paired with chanel 1, the remote can only work with chanel 1.

3) If the above two points do not work, it is recommented to repair the collar and try again.

For Shock mode not working or unstable

1) Skin contact is critica for the shock mode to function effectively. When using shock mode, make sure the metal tip is in direct contact with the skin under the dog's neck.

2) Adjust the collar length to what is most confortable for your dog. Check the tighness of the Collar by inserting one finger snugly between the collar and neck.

3) If your dog's hair is long and dense, use long contact points and make sure they are in direct contact with your dog's skin.

4) Each dog has different tolerance levels, the shock mode has 0-99 levels, You can adjust the level according to your dog's reaction.

Function keys or knobs do not work

1) Please check whether the remote control is locked and make sure it is unlocked before operating the buttons or knobs.