The compact (3.1 oz) waterproof transmitter offers up to 16 stimulus levels, a choice of continuous or momentary stimulation and the ability to control a second or third collar. In addition, it provides you with the option to send tone or vibration signals to the collar receiver. The light weight (3.0 oz), waterproof collar receiver features a slim-profile and contoured shape that ensures custom fit on your dog’s neck. User can select from 8 stimulation levels each within low, medium or high setting on the compact receiver. No matter what style of training you prefer, this system can provide it. Once again, Sport DOG Brand delivers on our promise: Gear the way you’d design it.