EXPANDABLE DUAL DIAL: The T&;B DUAL 2-DOG comes with a 2-dog setup, so the transmitter comes with two sets of Rheostat Dials that are dedicated up to two dogs. With this expandable device setup, you wont have to keep changing the stimulation level for each dog and can seamlessly operate one or two dogs. PRECISE CONTROL: With 127 stimulation levels, youll have no problem finding the perfect level for your dog with the gradual and precise stimulation control. The levels are bright and easy to read with the OLED screen and can be adjusted precisely at any time with the two Rheostat Dials. 1-MILE RANGE: The range of this training e-collar is perfect for any and all simple commands for your dog. With a range of 1 miles, this e-collar is a great choice for hunters looking to train their dogs in the field. CORRECTIONS: The fully waterproof T&;B DUAL has two different correction types. The first correction type is a Nick (quick -second) and the second correction type is a Constant (up to 12 seconds). The e-collar also has an HPP (High-Performance Pager) which offers a clear vibration to alert dogs while training. Find the right fit for you and your dog with this dynamic e-collar. BEEPER MODES: The receiver has a unique single-body receiver/beeper horn to eliminate the bulkiness and enhance the durability. There are 3 beeper modes: Locate, Run/Point, and Point-Only, which gives you the ability to keep track of your dog. Long Range 1.5-Mile Expandable DUAL DIAL Training Beeper Remote Dog Training E-Collar for Upland Gun Dog The Dogtra T&;B DUAL 2-DOG is the advanced DUAL DIAL Training Beeper e-collar designed for upland hunters. The DUAL DIAL transmitter is equipped with key features like 127 Nick/Constant correction levels, HPP vibration, Locate Beeper, Run/Point Beeper Modes, and a 1.5-mile range*. The transmitter comes with an OLED screen and two sets of Rheostat Dials and buttons dedicated to each collar, allowing seamless and effective operation without switching the levels back and forth. The receiver has a unique single-body receiver/beeper horn to eliminate the bulkiness and enhance the durability. It is equipped with the Accelerometer sensor for the most accurate motion detection of the Beeper Modes for Point-Only and Run/Point. *Range may reduce depending on the surroundings. With 127 correction levels, youll have no problem finding the perfect level for your dog with the gradual and precise correction control. The levels are bright and easy to read with the OLED screen and can be adjusted precisely at any time with the two Rheostat Dials. The transmitter and receiver are also fully waterproof, so you won't have to worry about it malfunctioning in water and can tackle any environment. The T&;B DUAL transmitter comes with two sets of Rheostat Dials that are dedicated for up to two dogs. With this setup, you won't have to keep changing the levels and can seamlessly operate one or two dogs. The Rheostat Dials will allow you to operate both correction types (Nick Constant) and also the HPP (High Performance Pager) vibration. The receiver has a unique single-body receiver/beeper horn to eliminate the bulkiness and enhance the durability. There are 3 beeper modes: Locate, Run/Point, and Point-Only, which gives you the ability to keep track of your dog.