Product Description: The Petrainer PET998C dog training collar has a simplistic design for a beginning trainer to grasp easily. This e-collar is targeted towards a homeowner looking to keep their pesky dog off the furniture or improve walking behavior while in the park. The Petrainer PET998C prides itself on being affordable, reliable and efficient at curbing dog misbehavior and does so by providing a variety of functions at your fingertips. Functions for this particular unit are: shock stimulation, vibration, three levels of beep and a light mode. No matter how you wish to your train your dog, be it by the vibration or shock stimulation, this unit is compatible with any training technique. E-Collar Features: 1. 270 Yards range 2. Trains one dog Powered by batteries--1*6F22/9V, 2*AAA 1.5V 3. 4 modes: static shock/ vibration/ beep/ light, 3 levels of beep mode 4. On/Off switch on transmitter 5. Featured power saving design with automatic standby and memory function 6. Safe, humane, robust and highly efficient at educating your pet 7. Collar length adjustable from 8" to 19" Package Contents: 1 x Collar Receiver 1 x Nylon Strap 1 x Remote Transmitter 1 x Test Light 1 x User Instruction 1 x 6V Battery 2 x AAA Batteries 1 x Set of Contact Points.