This Add-On collar is compatible with any H2O PLUS system (1810 PLUS, 1820 PLUS or 1830 PLUS), and it can also replace any lost or damaged H2O 1800 series collar unit. Available with your choice of Black, Orange, or Green collar straps.
- Blaze Orange
- Fluorscent Green
*Black is recommended if you need to replace the original collar/receiver that came with your H2O system. Orange and/or Green are recommended to expand your H2O PLUS unit to a 2-dog or 3-dog system.
- 16 levels of intensity, adjustable from the transmitter
- Nick and Continuous Stimulations
- MAXX-Range Internal Antenna System
- Rechargeable Ni-MH Batteries