Amir Dog Training Collar for 2 dogs, 330yd Water Resistant Dog Shock Collar with Remote, Pet Training Collars for Dogs with 16 Levels of Shock and Vibration Corrections, Safe Beep, LCD Screen Train 2 pet safely and effectively at the same time : Help control problem barking, chewing, running, jumping, and obedience. You will be able to take your wild canine friends anywhere without worry of them misbehaving or running off! 3 Training Modes: Separate Buttons for Collar Tone, Vibration and Shock Corrections and cutover. You can switch between two dogs wearing two different colored belts to train them at the same time with a single button pressed! Easy and effective intensity levels (16 levels) of Stimulation / Vibration in accordance with different responses from dogs. Blue backlight on the collar receiver to ensure usage under low visibility. 300M Remote Control Range: Operational Range of up to 300m/330 Yards and 3000 Identity Codes to prevent conflicts with other E-collars. Let your canine buddies have more space while been under your supervision. Applicable : Fits dogs from 25 to 100 lbs with the adjustable belts from 25-65cm. No extra batteries to buy and easy to replace AAA batteries. User Friendly : Battery indicator to check power supply anytime. Big and easy-to-read LCD display shows the mode, stimulation level and the power. Water resistant design makes it more functional and durable. And two different colored belts (red/blue) to help you better train your pets effectively.