Features:1. Completely wireless system.2. A circular signal area based on the center of the transmitter.3.The max. range is up to 500 meters and min. range is 20 meters from the transmitter.4.Unlimited number of receivers supported at the same time.5,100 intensity levels without jumps for adjustmentdistance from the beach.6. The current intensity will be displayed on the transmitter screen.7.It is very easy to code between the transmitter and receiver.8. Rechargeable and waterproof receiver collar.9. Proportional Pulse Stimulation - The closer your dog gets to the boundary, the closer and more intense it will be.10. Progressive tone stimulation - a warning tone first, then a stimulation if your dog won't stop moving to the boundary.Features:1. model: kd6612. color: white3. Material: ABS (Acrylonitrile Butadiene Styrne)4. Between: 100-240V / 50-60Hz / 0.35A5. Output: 5V/1A6. Transmitter size: 16.5x14x3.5cm7.Receiver size: 7x4x3.5cmStrap size: 73x2cm9. Neck circumference: 20-56 cmLevel 10. Waterproof: IPX611.Plug Type: US PlugUse:Step 1: Turn on the transmitter by pressing the ON/OFF button for 3 seconds.Step 2: Power Level Setting: Press the "+" or "-" buttons to adjust the trams' power level, which will change the remote control range of this system. Press the "+" button to increase the power level (the maximum value is level 100.), press the "-" button to decrease the level (the minimum value is 0).Step 3: Make sure the transmitter is turned on, then short press the power button to enter the connection status. The screen will display "1dp" with flashing.Step 4: The transmitter must be powered by a power adapter whose output is 5V/1A.Package Included:1x transmitter (dog not included)1x receiver1x power cord1x strap1x Munual user1x User Guide1x voltage tester4x bark plug2x screws2x rubber stopperNoticed:1.The wireless fence system is intended for dogs only.2. Do not leave the collar on your dog for more than 10 hours a day.3. Keep the aqay receiver collar away from children.4. Avoid using your devices too close to the eyes of children or animals.5. Do not use the device during a thunderstorm.6. Never adjust the transmitter while your pet is wearing the receiver collar.7.C