4500 Dogtra edge
The dogtra edge 4500 is the replacer of the 3500 and 1800 series. It is easy to expand and offers so many possibilities. The receiver and transmitter are waterproof and is equipped with lighting (so you can see your dog in the dark) and a LCD screen that lights up. There are 3 functions: short pulse stimulation, continuous and vibration function. The range is 1600 m. The level is adjustable via the transmitter and is ranging from 0 to 127, also can be set in steps of 1 to 8.