Petronics Rechargeable Shock Training Collar With Remote, Electronic For Large Dog With Static, Vibration, Beep And Light, 330 yd. 5 years replacement & money back warranty electronic remote training collar with blue backlight screen for dog Petronics shock collar improve disobedient behavior - it can be used to help correct barking, walking, leash training, sitting Signal stability- quickly synchronize the transmitter with collar receiver, within 10 seconds, ingenious design All size dogs - durable and adjustable (14 to 23 inches long) nylon strap able to fit small, medium, large dogs and puppies 300 yard range control - 330 yards remote range and 4 functional modes: Vibration, light, beep and static shock Excessive barking Running away suddenly Peeping in the middle of the street Biting shoes and other items on the house Leash pulling too hard and getting into choking condition If the answer is yes, then Petronics Remote Dog Training Collar can help you. Includes one collar, Remote Transmitter can control up to two collars. (Extra collars are sold separately) Battery Type: Rechargeable Lithium Batteries for Collar Receiver and Remote Transmitter Water Capabilities: Water Resistant Collar Receiver Range: 330 Yards Tone/Vibration Options:100 Levels of Vibration and 1 Level of Standard Tone Stimulation Levels:100 Levels of Static Shock Power saving design with Automatic Standby and Memory Function Light Mode to assist seeing dog in low light conditions Easy to operate and ergonomic Transmitter Effective and safe training system with Auto-Protect Mode