- Collar Unit – 2.625in x 2in x 1.5in, 9.6 oz. (with beeper belt)
- Add-On and replacement collar unit with Black, Orange, or Green belt for the H2O 1850 PLUS.
The H2O 1850 Add-On Beeper collar is compatible with the H2O 1850 PLUS system, and it can also replace any lost or damaged H2O 1850 or 1852 collar unit.
Orange, Green, Black