This Remote Controlling Dog Shock Collar provides a professional shock and vibration with LCD remote electric training collar for mild-mannered to stubborn disposition dogs. It adopts the static impulse technology， which can quickly and effectively curb the improper deeds of the pet. For usage， you will feel the great convenience for that the easy-to-read LCD screen shows the stimulation level. What’s more， with the movement induction power switch in the collar receiver， it will turn on/off automatically to save power. And the durability comes from that it is water resistant and shockproof. Let your pet enjoy the advanced technology!                                    Features            Uses vibration instead of static stimulationThe strongest static impulse can quickly and effectively curb the improper deeds of the petTrain 2 dogs independently from the same transmitterWater resistant transmitter and receiversUp to300 meter rangeLow power indicators are desiged on transmitter and receivers                                                             Specifications            Frequency    433.825MHz    <br>Transmitter Dimension    (4.92 x1.77 x 0.98)in/(12.5 x4.5 x 2.5)cm(L x W x H)    <br>Receiver Dimension    (1.96 x1.18 x 1.37)in/(5 x3 x 3.5)cm(L x W x H)    <br>Collar Length    20.66-12.40in/52.5-31.5cm    <br>Weight    345g/12.17oz    <br>                                                            Package Includes            1 x Transmitter1x Receiver1x Collar1 x Charger1 x USB cable5 x Accessories                                                            Extra Info            Note: Dear Customers，befor use this item， you should to set the code of the remote and receiver right up.then they will be ok for work.Please follow my words to set the code up. 1.At first，please install the batteries into the remote ，then install the receiver.Press the "Y " key of remote after receiver issues "D" sound，then receiver will give you a "D" sound again. it means you got them synchronous. 2.Please press the button of "Mode" 3 seconds untill the AC-PDP Show than "000" ，it means that the remote is ok. then press any button of the "mode" ，the first one is "shocking" ，the second is "vibration" ，the third one is "noise" ，the last one is "Light" . 3. Then press UP/DOWN button at the right side of the remote ，then set the model to anyone， press the up button begin at 001，press the down button begin at 100.If there is no action for a while， the remote will be automatically in power-saving mode， you need to press the "MODE" button for a second.