These are Add-On or Replacement collars only - TRANSMITTERS ARE NOT INCLUDED

By ordering these Add-On collars you can expand a DT Systems H2O 1810 PLUS, 1820 PLUS, or 1830 PLUS unit into a 2 or 3 dog unit.  Maximum of 3 collars can be controlled from 1 transmitter.

Black Collars are recommended for replacement of original H2O units, Orange and Green colors are recommended to expand your H2O PLUS unit to a 2 dog or 3 dog system.

H2O 1810 PLUS - Momentary or Continuous Stimulation

H2O 1820 PLUS - Momentary or Continuous Stimulation, and Vibration/Stimulation or Vibration only

H2O 1830 PLUS - Momentary or Continuous Stimulation, and Jump and Rise Stimulation

• Expandable to a 3 dog system by ordering "Add on" collars
• 16 levels of Momentary Nick or Continuous Stimulation
• Collar is powered by a rechargeable Ni-MH battery system - charger included
• Digital Technology Transmitter with up to a 1 mile range
• Maxx-Range Internal Collar Antenna System
• Fits small to large dogs
• Completely waterproof collar - Waterproof Transmitter and it FLOATS!

The all new H2O 1800 PLUS series is a great new collar system that can be used in a wide variety of applications. This fully waterproof unit covers both basic and advanced training needs for both professionals and novice users alike. Whether you are knee-deep in cold icy waters or knee-deep in tall grass on a dry sunny day, the H2O is designed with the harshest environments in mind. All H2O 1800 PLUS series models have an 1800 yard (1 mile) range and come with completely waterproof and rechargeable (Ni-MH batteries) transmitter and collar units. Nick and Continuous Stimulations come standard on every model in the H2O 1800 PLUS series line-up. 1800 Yard (1 Mile) Range 16 Levels of Intensity adjusted from the Transmitter Digital Technology to Maximize Power Maxx-Range™ Internal Collar Antenna System Gentle Touch™ System Extra Mild Stimulation Built-In Safety Shut-Off Rechargeable Ni-MH Battery System Completely Waterproof Transmitter (Floats) and Collars Hard case, charger, owners manual Limited Lifetime Warrantee