Before first use, you must program the Receiver Collar to the Transmitter by turning the Receiver Collar on, setting the Transmitter dial to level 1, and pressing the two buttons on the Transmitter at the same time while holding the Receiver Collar and Transmitter 1-5 feet apart
Temporary safety shut off occurs when a button has been held down for 5
Train your dog from up to 100 yards away
Features:
For pets under 40 pounds
10 levels of stimulation plus tone-only button
100 yard range
Waterproof Receiver, water resistant Transmitter
Receiver uses two (2) 3-volt CR2032 batteries; Transmitter uses a 9-volt alkaline battery (both included)