Water resistant Remote Control Dog Training Transmitter & Collar with Adjustable Voltage , 3 Audible tones & 8 levels of continuous static stimulation Fully functional remote dog training system 3 Audible tones & 8 levels of continuous static stimulation (up to 3 sec) Water resistant (transmitter & receiver) Up to 200-meter control range Adjustable collar length (from 8"to 20") fits different size of dogs.